Home / 72,582,830.70-108,874,246.05-65,192,520.30

Finding the Fourth Proportional to 72,582,830.70, 108,874,246.05 and 65,192,520.30

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Solution

The fourth proportional to 72,582,830.70, 108,874,246.05 and 65,192,520.30 is: 97,788,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,830.70 : 108,874,246.05 = 65,192,520.30 : x
  2. Step 2: Convert to fraction form
    72,582,830.70/108,874,246.05 = 65,192,520.30/x
  3. Step 3: Cross multiply
    72,582,830.70x = 108,874,246.05 × 65,192,520.30
  4. Step 4: Simplify right side
    72,582,830.70x = 7,097,786,495,761,819
  5. Step 5: Solve for x
    x = 7,097,786,495,761,819/72,582,830.70
  6. Step 6: Final answer
    x = 97,788,780.45

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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.