Home / 43,686,007.70-65,529,011.55-42,835,702.10

Finding the Fourth Proportional to 43,686,007.70, 65,529,011.55 and 42,835,702.10

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Solution

The fourth proportional to 43,686,007.70, 65,529,011.55 and 42,835,702.10 is: 64,253,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686,007.70 : 65,529,011.55 = 42,835,702.10 : x
  2. Step 2: Convert to fraction form
    43,686,007.70/65,529,011.55 = 42,835,702.10/x
  3. Step 3: Cross multiply
    43,686,007.70x = 65,529,011.55 × 42,835,702.10
  4. Step 4: Simplify right side
    43,686,007.70x = 2,806,981,217,663,259
  5. Step 5: Solve for x
    x = 2,806,981,217,663,259/43,686,007.70
  6. Step 6: Final answer
    x = 64,253,553.15

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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.