Home / 135,359,377,951.18-186,800,421,330.12-74,393,906,117.30

Finding the Fourth Proportional to 135,359,377,951.18, 186,800,421,330.12 and 74,393,906,117.30

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Solution

The fourth proportional to 135,359,377,951.18, 186,800,421,330.12 and 74,393,906,117.30 is: 102,666,052,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,359,377,951.18 : 186,800,421,330.12 = 74,393,906,117.30 : x
  2. Step 2: Convert to fraction form
    135,359,377,951.18/186,800,421,330.12 = 74,393,906,117.30/x
  3. Step 3: Cross multiply
    135,359,377,951.18x = 186,800,421,330.12 × 74,393,906,117.30
  4. Step 4: Simplify right side
    135,359,377,951.18x = 13,896,813,007,105,031,143,424
  5. Step 5: Solve for x
    x = 13,896,813,007,105,031,143,424/135,359,377,951.18
  6. Step 6: Final answer
    x = 102,666,052,529.57

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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.