Home / 433,901,072.01-651,024,052.28-138,841,641.69

Finding the Fourth Proportional to 433,901,072.01, 651,024,052.28 and 138,841,641.69

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Solution

The fourth proportional to 433,901,072.01, 651,024,052.28 and 138,841,641.69 is: 208,317,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,901,072.01 : 651,024,052.28 = 138,841,641.69 : x
  2. Step 2: Convert to fraction form
    433,901,072.01/651,024,052.28 = 138,841,641.69/x
  3. Step 3: Cross multiply
    433,901,072.01x = 651,024,052.28 × 138,841,641.69
  4. Step 4: Simplify right side
    433,901,072.01x = 90,389,248,199,281,952
  5. Step 5: Solve for x
    x = 90,389,248,199,281,952/433,901,072.01
  6. Step 6: Final answer
    x = 208,317,642.04

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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.