Home / 52,178,281.18-72,012,671.02-31,551,874.98

Finding the Fourth Proportional to 52,178,281.18, 72,012,671.02 and 31,551,874.98

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Solution

The fourth proportional to 52,178,281.18, 72,012,671.02 and 31,551,874.98 is: 43,545,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,281.18 : 72,012,671.02 = 31,551,874.98 : x
  2. Step 2: Convert to fraction form
    52,178,281.18/72,012,671.02 = 31,551,874.98/x
  3. Step 3: Cross multiply
    52,178,281.18x = 72,012,671.02 × 31,551,874.98
  4. Step 4: Simplify right side
    52,178,281.18x = 2,272,134,792,998,909
  5. Step 5: Solve for x
    x = 2,272,134,792,998,909/52,178,281.18
  6. Step 6: Final answer
    x = 43,545,604.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.