Home / 72,605,717.30-108,908,575.95-56,166,475.70

Finding the Fourth Proportional to 72,605,717.30, 108,908,575.95 and 56,166,475.70

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Solution

The fourth proportional to 72,605,717.30, 108,908,575.95 and 56,166,475.70 is: 84,249,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,605,717.30 : 108,908,575.95 = 56,166,475.70 : x
  2. Step 2: Convert to fraction form
    72,605,717.30/108,908,575.95 = 56,166,475.70/x
  3. Step 3: Cross multiply
    72,605,717.30x = 108,908,575.95 × 56,166,475.70
  4. Step 4: Simplify right side
    72,605,717.30x = 6,117,010,884,617,280
  5. Step 5: Solve for x
    x = 6,117,010,884,617,280/72,605,717.30
  6. Step 6: Final answer
    x = 84,249,713.55

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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.