Home / 72,600,272.70-108,900,409.05-65,881,808.70

Finding the Fourth Proportional to 72,600,272.70, 108,900,409.05 and 65,881,808.70

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Solution

The fourth proportional to 72,600,272.70, 108,900,409.05 and 65,881,808.70 is: 98,822,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,272.70 : 108,900,409.05 = 65,881,808.70 : x
  2. Step 2: Convert to fraction form
    72,600,272.70/108,900,409.05 = 65,881,808.70/x
  3. Step 3: Cross multiply
    72,600,272.70x = 108,900,409.05 × 65,881,808.70
  4. Step 4: Simplify right side
    72,600,272.70x = 7,174,555,916,383,849
  5. Step 5: Solve for x
    x = 7,174,555,916,383,849/72,600,272.70
  6. Step 6: Final answer
    x = 98,822,713.05

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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.