Home / 102,355,711.30-153,309,618.15-61,895,628.10

Finding the Fourth Proportional to 102,355,711.30, 153,309,618.15 and 61,895,628.10

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Solution

The fourth proportional to 102,355,711.30, 153,309,618.15 and 61,895,628.10 is: 92,708,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355,711.30 : 153,309,618.15 = 61,895,628.10 : x
  2. Step 2: Convert to fraction form
    102,355,711.30/153,309,618.15 = 61,895,628.10/x
  3. Step 3: Cross multiply
    102,355,711.30x = 153,309,618.15 × 61,895,628.10
  4. Step 4: Simplify right side
    102,355,711.30x = 9,489,195,109,165,410
  5. Step 5: Solve for x
    x = 9,489,195,109,165,410/102,355,711.30
  6. Step 6: Final answer
    x = 92,708,017.84

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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.