Home / 140,115,473.04-193,358,198.34-76,535,864.76

Finding the Fourth Proportional to 140,115,473.04, 193,358,198.34 and 76,535,864.76

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Solution

The fourth proportional to 140,115,473.04, 193,358,198.34 and 76,535,864.76 is: 105,618,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,115,473.04 : 193,358,198.34 = 76,535,864.76 : x
  2. Step 2: Convert to fraction form
    140,115,473.04/193,358,198.34 = 76,535,864.76/x
  3. Step 3: Cross multiply
    140,115,473.04x = 193,358,198.34 × 76,535,864.76
  4. Step 4: Simplify right side
    140,115,473.04x = 14,798,836,918,387,498
  5. Step 5: Solve for x
    x = 14,798,836,918,387,498/140,115,473.04
  6. Step 6: Final answer
    x = 105,618,862.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.