Home / 52,178,278.17-72,012,666.87-31,551,871.98

Finding the Fourth Proportional to 52,178,278.17, 72,012,666.87 and 31,551,871.98

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Solution

The fourth proportional to 52,178,278.17, 72,012,666.87 and 31,551,871.98 is: 43,545,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,278.17 : 72,012,666.87 = 31,551,871.98 : x
  2. Step 2: Convert to fraction form
    52,178,278.17/72,012,666.87 = 31,551,871.98/x
  3. Step 3: Cross multiply
    52,178,278.17x = 72,012,666.87 × 31,551,871.98
  4. Step 4: Simplify right side
    52,178,278.17x = 2,272,134,446,020,627.50
  5. Step 5: Solve for x
    x = 2,272,134,446,020,627.50/52,178,278.17
  6. Step 6: Final answer
    x = 43,545,600.31

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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.