Home / 166,247,985.60-249,377,680.80-51,231,614.40

Finding the Fourth Proportional to 166,247,985.60, 249,377,680.80 and 51,231,614.40

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Solution

The fourth proportional to 166,247,985.60, 249,377,680.80 and 51,231,614.40 is: 76,849,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,247,985.60 : 249,377,680.80 = 51,231,614.40 : x
  2. Step 2: Convert to fraction form
    166,247,985.60/249,377,680.80 = 51,231,614.40/x
  3. Step 3: Cross multiply
    166,247,985.60x = 249,377,680.80 × 51,231,614.40
  4. Step 4: Simplify right side
    166,247,985.60x = 12,776,021,182,711,884
  5. Step 5: Solve for x
    x = 12,776,021,182,711,884/166,247,985.60
  6. Step 6: Final answer
    x = 76,849,178.87

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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.