Home / 156,295,759.54-215,727,343.68-106,144,834.54

Finding the Fourth Proportional to 156,295,759.54, 215,727,343.68 and 106,144,834.54

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Solution

The fourth proportional to 156,295,759.54, 215,727,343.68 and 106,144,834.54 is: 146,506,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,295,759.54 : 215,727,343.68 = 106,144,834.54 : x
  2. Step 2: Convert to fraction form
    156,295,759.54/215,727,343.68 = 106,144,834.54/x
  3. Step 3: Cross multiply
    156,295,759.54x = 215,727,343.68 × 106,144,834.54
  4. Step 4: Simplify right side
    156,295,759.54x = 22,898,343,200,667,316
  5. Step 5: Solve for x
    x = 22,898,343,200,667,316/156,295,759.54
  6. Step 6: Final answer
    x = 146,506,490.44

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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.