Home / 131,462,770.50-181,423,965.05-72,724,422.92

Finding the Fourth Proportional to 131,462,770.50, 181,423,965.05 and 72,724,422.92

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Solution

The fourth proportional to 131,462,770.50, 181,423,965.05 and 72,724,422.92 is: 100,362,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,770.50 : 181,423,965.05 = 72,724,422.92 : x
  2. Step 2: Convert to fraction form
    131,462,770.50/181,423,965.05 = 72,724,422.92/x
  3. Step 3: Cross multiply
    131,462,770.50x = 181,423,965.05 × 72,724,422.92
  4. Step 4: Simplify right side
    131,462,770.50x = 13,193,953,160,848,758
  5. Step 5: Solve for x
    x = 13,193,953,160,848,758/131,462,770.50
  6. Step 6: Final answer
    x = 100,362,658.65

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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.