Home / 74,854,337.90-103,827,458.64-72,863,402.45

Finding the Fourth Proportional to 74,854,337.90, 103,827,458.64 and 72,863,402.45

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Solution

The fourth proportional to 74,854,337.90, 103,827,458.64 and 72,863,402.45 is: 101,065,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854,337.90 : 103,827,458.64 = 72,863,402.45 : x
  2. Step 2: Convert to fraction form
    74,854,337.90/103,827,458.64 = 72,863,402.45/x
  3. Step 3: Cross multiply
    74,854,337.90x = 103,827,458.64 × 72,863,402.45
  4. Step 4: Simplify right side
    74,854,337.90x = 7,565,221,904,001,149
  5. Step 5: Solve for x
    x = 7,565,221,904,001,149/74,854,337.90
  6. Step 6: Final answer
    x = 101,065,911.70

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.