Home / 66,572,210.10-99,795,329.55-39,299,445.30

Finding the Fourth Proportional to 66,572,210.10, 99,795,329.55 and 39,299,445.30

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Solution

The fourth proportional to 66,572,210.10, 99,795,329.55 and 39,299,445.30 is: 58,911,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572,210.10 : 99,795,329.55 = 39,299,445.30 : x
  2. Step 2: Convert to fraction form
    66,572,210.10/99,795,329.55 = 39,299,445.30/x
  3. Step 3: Cross multiply
    66,572,210.10x = 99,795,329.55 × 39,299,445.30
  4. Step 4: Simplify right side
    66,572,210.10x = 3,921,901,094,845,698
  5. Step 5: Solve for x
    x = 3,921,901,094,845,698/66,572,210.10
  6. Step 6: Final answer
    x = 58,911,985.78

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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.