Home / 52,488,269.20-78,732,403.80-51,637,963.60

Finding the Fourth Proportional to 52,488,269.20, 78,732,403.80 and 51,637,963.60

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Solution

The fourth proportional to 52,488,269.20, 78,732,403.80 and 51,637,963.60 is: 77,456,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,269.20 : 78,732,403.80 = 51,637,963.60 : x
  2. Step 2: Convert to fraction form
    52,488,269.20/78,732,403.80 = 51,637,963.60/x
  3. Step 3: Cross multiply
    52,488,269.20x = 78,732,403.80 × 51,637,963.60
  4. Step 4: Simplify right side
    52,488,269.20x = 4,065,581,001,564,901.50
  5. Step 5: Solve for x
    x = 4,065,581,001,564,901.50/52,488,269.20
  6. Step 6: Final answer
    x = 77,456,945.40

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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.