Home / 103,637,556,038.85-155,456,334,058.28-84,808,920,273.45

Finding the Fourth Proportional to 103,637,556,038.85, 155,456,334,058.28 and 84,808,920,273.45

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Solution

The fourth proportional to 103,637,556,038.85, 155,456,334,058.28 and 84,808,920,273.45 is: 127,213,380,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637,556,038.85 : 155,456,334,058.28 = 84,808,920,273.45 : x
  2. Step 2: Convert to fraction form
    103,637,556,038.85/155,456,334,058.28 = 84,808,920,273.45/x
  3. Step 3: Cross multiply
    103,637,556,038.85x = 155,456,334,058.28 × 84,808,920,273.45
  4. Step 4: Simplify right side
    103,637,556,038.85x = 13,184,083,841,151,477,481,472
  5. Step 5: Solve for x
    x = 13,184,083,841,151,477,481,472/103,637,556,038.85
  6. Step 6: Final answer
    x = 127,213,380,410.18

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.