Home / 66,257,962.60-99,442,931.10-25,897,412.20

Finding the Fourth Proportional to 66,257,962.60, 99,442,931.10 and 25,897,412.20

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Solution

The fourth proportional to 66,257,962.60, 99,442,931.10 and 25,897,412.20 is: 38,868,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257,962.60 : 99,442,931.10 = 25,897,412.20 : x
  2. Step 2: Convert to fraction form
    66,257,962.60/99,442,931.10 = 25,897,412.20/x
  3. Step 3: Cross multiply
    66,257,962.60x = 99,442,931.10 × 25,897,412.20
  4. Step 4: Simplify right side
    66,257,962.60x = 2,575,314,577,072,899
  5. Step 5: Solve for x
    x = 2,575,314,577,072,899/66,257,962.60
  6. Step 6: Final answer
    x = 38,868,001.31

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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.