Home / 145,156,724.10-217,735,086.15-130,824,000.90

Finding the Fourth Proportional to 145,156,724.10, 217,735,086.15 and 130,824,000.90

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Solution

The fourth proportional to 145,156,724.10, 217,735,086.15 and 130,824,000.90 is: 196,236,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,724.10 : 217,735,086.15 = 130,824,000.90 : x
  2. Step 2: Convert to fraction form
    145,156,724.10/217,735,086.15 = 130,824,000.90/x
  3. Step 3: Cross multiply
    145,156,724.10x = 217,735,086.15 × 130,824,000.90
  4. Step 4: Simplify right side
    145,156,724.10x = 28,484,975,106,449,180
  5. Step 5: Solve for x
    x = 28,484,975,106,449,180/145,156,724.10
  6. Step 6: Final answer
    x = 196,236,001.35

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1.5x scale

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.