Home / 77,265,207.42-106,626,834.90-42,457,906.86

Finding the Fourth Proportional to 77,265,207.42, 106,626,834.90 and 42,457,906.86

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Solution

The fourth proportional to 77,265,207.42, 106,626,834.90 and 42,457,906.86 is: 58,592,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265,207.42 : 106,626,834.90 = 42,457,906.86 : x
  2. Step 2: Convert to fraction form
    77,265,207.42/106,626,834.90 = 42,457,906.86/x
  3. Step 3: Cross multiply
    77,265,207.42x = 106,626,834.90 × 42,457,906.86
  4. Step 4: Simplify right side
    77,265,207.42x = 4,527,152,224,960,798
  5. Step 5: Solve for x
    x = 4,527,152,224,960,798/77,265,207.42
  6. Step 6: Final answer
    x = 58,592,377.81

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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.