Home / 65,731,385.81-90,711,983.30-36,362,212.02

Finding the Fourth Proportional to 65,731,385.81, 90,711,983.30 and 36,362,212.02

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Solution

The fourth proportional to 65,731,385.81, 90,711,983.30 and 36,362,212.02 is: 50,181,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731,385.81 : 90,711,983.30 = 36,362,212.02 : x
  2. Step 2: Convert to fraction form
    65,731,385.81/90,711,983.30 = 36,362,212.02/x
  3. Step 3: Cross multiply
    65,731,385.81x = 90,711,983.30 × 36,362,212.02
  4. Step 4: Simplify right side
    65,731,385.81x = 3,298,488,369,327,488.50
  5. Step 5: Solve for x
    x = 3,298,488,369,327,488.50/65,731,385.81
  6. Step 6: Final answer
    x = 50,181,330.10

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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.