Home / 147,629,850.40-221,443,609.20-38,454,810.40

Finding the Fourth Proportional to 147,629,850.40, 221,443,609.20 and 38,454,810.40

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Solution

The fourth proportional to 147,629,850.40, 221,443,609.20 and 38,454,810.40 is: 57,681,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629,850.40 : 221,443,609.20 = 38,454,810.40 : x
  2. Step 2: Convert to fraction form
    147,629,850.40/221,443,609.20 = 38,454,810.40/x
  3. Step 3: Cross multiply
    147,629,850.40x = 221,443,609.20 × 38,454,810.40
  4. Step 4: Simplify right side
    147,629,850.40x = 8,515,572,006,077,695
  5. Step 5: Solve for x
    x = 8,515,572,006,077,695/147,629,850.40
  6. Step 6: Final answer
    x = 57,681,911.77

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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.