Home / 96,919,781.40-145,379,672.10-69,710,002.20

Finding the Fourth Proportional to 96,919,781.40, 145,379,672.10 and 69,710,002.20

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Solution

The fourth proportional to 96,919,781.40, 145,379,672.10 and 69,710,002.20 is: 104,565,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,919,781.40 : 145,379,672.10 = 69,710,002.20 : x
  2. Step 2: Convert to fraction form
    96,919,781.40/145,379,672.10 = 69,710,002.20/x
  3. Step 3: Cross multiply
    96,919,781.40x = 145,379,672.10 × 69,710,002.20
  4. Step 4: Simplify right side
    96,919,781.40x = 10,134,417,261,926,278
  5. Step 5: Solve for x
    x = 10,134,417,261,926,278/96,919,781.40
  6. Step 6: Final answer
    x = 104,565,003.30

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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.