Home / 145,156,728.60-217,735,092.90-130,824,005.40

Finding the Fourth Proportional to 145,156,728.60, 217,735,092.90 and 130,824,005.40

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Solution

The fourth proportional to 145,156,728.60, 217,735,092.90 and 130,824,005.40 is: 196,236,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,728.60 : 217,735,092.90 = 130,824,005.40 : x
  2. Step 2: Convert to fraction form
    145,156,728.60/217,735,092.90 = 130,824,005.40/x
  3. Step 3: Cross multiply
    145,156,728.60x = 217,735,092.90 × 130,824,005.40
  4. Step 4: Simplify right side
    145,156,728.60x = 28,484,976,969,319,104
  5. Step 5: Solve for x
    x = 28,484,976,969,319,104/145,156,728.60
  6. Step 6: Final answer
    x = 196,236,008.10

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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.