Home / 147,933,373.65-204,148,294.78-81,856,656.91

Finding the Fourth Proportional to 147,933,373.65, 204,148,294.78 and 81,856,656.91

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Solution

The fourth proportional to 147,933,373.65, 204,148,294.78 and 81,856,656.91 is: 112,962,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933,373.65 : 204,148,294.78 = 81,856,656.91 : x
  2. Step 2: Convert to fraction form
    147,933,373.65/204,148,294.78 = 81,856,656.91/x
  3. Step 3: Cross multiply
    147,933,373.65x = 204,148,294.78 × 81,856,656.91
  4. Step 4: Simplify right side
    147,933,373.65x = 16,710,896,925,283,014
  5. Step 5: Solve for x
    x = 16,710,896,925,283,014/147,933,373.65
  6. Step 6: Final answer
    x = 112,962,318.87

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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.