Home / 102,664,267.20-153,996,400.80-101,956,478.40

Finding the Fourth Proportional to 102,664,267.20, 153,996,400.80 and 101,956,478.40

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Solution

The fourth proportional to 102,664,267.20, 153,996,400.80 and 101,956,478.40 is: 152,934,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,664,267.20 : 153,996,400.80 = 101,956,478.40 : x
  2. Step 2: Convert to fraction form
    102,664,267.20/153,996,400.80 = 101,956,478.40/x
  3. Step 3: Cross multiply
    102,664,267.20x = 153,996,400.80 × 101,956,478.40
  4. Step 4: Simplify right side
    102,664,267.20x = 15,700,930,711,842,944
  5. Step 5: Solve for x
    x = 15,700,930,711,842,944/102,664,267.20
  6. Step 6: Final answer
    x = 152,934,717.60

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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.