Home / 145,078,200.90-217,617,301.35-136,764,101.70

Finding the Fourth Proportional to 145,078,200.90, 217,617,301.35 and 136,764,101.70

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Solution

The fourth proportional to 145,078,200.90, 217,617,301.35 and 136,764,101.70 is: 205,146,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,078,200.90 : 217,617,301.35 = 136,764,101.70 : x
  2. Step 2: Convert to fraction form
    145,078,200.90/217,617,301.35 = 136,764,101.70/x
  3. Step 3: Cross multiply
    145,078,200.90x = 217,617,301.35 × 136,764,101.70
  4. Step 4: Simplify right side
    145,078,200.90x = 29,762,234,733,510,944
  5. Step 5: Solve for x
    x = 29,762,234,733,510,944/145,078,200.90
  6. Step 6: Final answer
    x = 205,146,152.55

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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.