Home / 149,691,133.90-224,536,700.85-127,772,145.10

Finding the Fourth Proportional to 149,691,133.90, 224,536,700.85 and 127,772,145.10

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Solution

The fourth proportional to 149,691,133.90, 224,536,700.85 and 127,772,145.10 is: 191,658,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691,133.90 : 224,536,700.85 = 127,772,145.10 : x
  2. Step 2: Convert to fraction form
    149,691,133.90/224,536,700.85 = 127,772,145.10/x
  3. Step 3: Cross multiply
    149,691,133.90x = 224,536,700.85 × 127,772,145.10
  4. Step 4: Simplify right side
    149,691,133.90x = 28,689,535,921,281,492
  5. Step 5: Solve for x
    x = 28,689,535,921,281,492/149,691,133.90
  6. Step 6: Final answer
    x = 191,658,217.65

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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.