Home / 72,674,876.40-108,912,781.80-59,237,948.40

Finding the Fourth Proportional to 72,674,876.40, 108,912,781.80 and 59,237,948.40

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Solution

The fourth proportional to 72,674,876.40, 108,912,781.80 and 59,237,948.40 is: 88,775,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,674,876.40 : 108,912,781.80 = 59,237,948.40 : x
  2. Step 2: Convert to fraction form
    72,674,876.40/108,912,781.80 = 59,237,948.40/x
  3. Step 3: Cross multiply
    72,674,876.40x = 108,912,781.80 × 59,237,948.40
  4. Step 4: Simplify right side
    72,674,876.40x = 6,451,769,748,368,859
  5. Step 5: Solve for x
    x = 6,451,769,748,368,859/72,674,876.40
  6. Step 6: Final answer
    x = 88,775,792.52

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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.