Home / 162,385,307.90-243,577,961.85-127,947,931.10

Finding the Fourth Proportional to 162,385,307.90, 243,577,961.85 and 127,947,931.10

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Solution

The fourth proportional to 162,385,307.90, 243,577,961.85 and 127,947,931.10 is: 191,921,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,307.90 : 243,577,961.85 = 127,947,931.10 : x
  2. Step 2: Convert to fraction form
    162,385,307.90/243,577,961.85 = 127,947,931.10/x
  3. Step 3: Cross multiply
    162,385,307.90x = 243,577,961.85 × 127,947,931.10
  4. Step 4: Simplify right side
    162,385,307.90x = 31,165,296,280,262,228
  5. Step 5: Solve for x
    x = 31,165,296,280,262,228/162,385,307.90
  6. Step 6: Final answer
    x = 191,921,896.65

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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.