Home / 103,637,556,053.10-155,456,334,079.65-84,808,920,287.70

Finding the Fourth Proportional to 103,637,556,053.10, 155,456,334,079.65 and 84,808,920,287.70

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Solution

The fourth proportional to 103,637,556,053.10, 155,456,334,079.65 and 84,808,920,287.70 is: 127,213,380,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637,556,053.10 : 155,456,334,079.65 = 84,808,920,287.70 : x
  2. Step 2: Convert to fraction form
    103,637,556,053.10/155,456,334,079.65 = 84,808,920,287.70/x
  3. Step 3: Cross multiply
    103,637,556,053.10x = 155,456,334,079.65 × 84,808,920,287.70
  4. Step 4: Simplify right side
    103,637,556,053.10x = 13,184,083,845,179,097,743,360
  5. Step 5: Solve for x
    x = 13,184,083,845,179,097,743,360/103,637,556,053.10
  6. Step 6: Final answer
    x = 127,213,380,431.55

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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.