Home / 108,657,220-149,968,264.08-62,278,559.20

Finding the Fourth Proportional to 108,657,220, 149,968,264.08 and 62,278,559.20

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Solution

The fourth proportional to 108,657,220, 149,968,264.08 and 62,278,559.20 is: 85,956,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,220 : 149,968,264.08 = 62,278,559.20 : x
  2. Step 2: Convert to fraction form
    108,657,220/149,968,264.08 = 62,278,559.20/x
  3. Step 3: Cross multiply
    108,657,220x = 149,968,264.08 × 62,278,559.20
  4. Step 4: Simplify right side
    108,657,220x = 9,339,807,412,627,514
  5. Step 5: Solve for x
    x = 9,339,807,412,627,514/108,657,220
  6. Step 6: Final answer
    x = 85,956,620.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.