Home / 145,164,958.40-217,810,423.20-73,361,374.40

Finding the Fourth Proportional to 145,164,958.40, 217,810,423.20 and 73,361,374.40

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Solution

The fourth proportional to 145,164,958.40, 217,810,423.20 and 73,361,374.40 is: 110,073,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164,958.40 : 217,810,423.20 = 73,361,374.40 : x
  2. Step 2: Convert to fraction form
    145,164,958.40/217,810,423.20 = 73,361,374.40/x
  3. Step 3: Cross multiply
    145,164,958.40x = 217,810,423.20 × 73,361,374.40
  4. Step 4: Simplify right side
    145,164,958.40x = 15,978,872,004,597,646
  5. Step 5: Solve for x
    x = 15,978,872,004,597,646/145,164,958.40
  6. Step 6: Final answer
    x = 110,073,892.35

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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.