Home / 103,637,556,055.60-155,456,334,083.40-84,808,920,290.20

Finding the Fourth Proportional to 103,637,556,055.60, 155,456,334,083.40 and 84,808,920,290.20

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Solution

The fourth proportional to 103,637,556,055.60, 155,456,334,083.40 and 84,808,920,290.20 is: 127,213,380,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637,556,055.60 : 155,456,334,083.40 = 84,808,920,290.20 : x
  2. Step 2: Convert to fraction form
    103,637,556,055.60/155,456,334,083.40 = 84,808,920,290.20/x
  3. Step 3: Cross multiply
    103,637,556,055.60x = 155,456,334,083.40 × 84,808,920,290.20
  4. Step 4: Simplify right side
    103,637,556,055.60x = 13,184,083,845,885,770,858,496
  5. Step 5: Solve for x
    x = 13,184,083,845,885,770,858,496/103,637,556,055.60
  6. Step 6: Final answer
    x = 127,213,380,435.30

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1.5x scale

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.