Home / 149,471,901.70-224,207,852.55-128,665,986.55

Finding the Fourth Proportional to 149,471,901.70, 224,207,852.55 and 128,665,986.55

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Solution

The fourth proportional to 149,471,901.70, 224,207,852.55 and 128,665,986.55 is: 192,998,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,901.70 : 224,207,852.55 = 128,665,986.55 : x
  2. Step 2: Convert to fraction form
    149,471,901.70/224,207,852.55 = 128,665,986.55/x
  3. Step 3: Cross multiply
    149,471,901.70x = 224,207,852.55 × 128,665,986.55
  4. Step 4: Simplify right side
    149,471,901.70x = 28,847,924,540,602,684
  5. Step 5: Solve for x
    x = 28,847,924,540,602,684/149,471,901.70
  6. Step 6: Final answer
    x = 192,998,979.83

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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.