Home / 296,869,808.20-445,478,360.10-124,332,129.40

Finding the Fourth Proportional to 296,869,808.20, 445,478,360.10 and 124,332,129.40

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Solution

The fourth proportional to 296,869,808.20, 445,478,360.10 and 124,332,129.40 is: 186,570,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,869,808.20 : 445,478,360.10 = 124,332,129.40 : x
  2. Step 2: Convert to fraction form
    296,869,808.20/445,478,360.10 = 124,332,129.40/x
  3. Step 3: Cross multiply
    296,869,808.20x = 445,478,360.10 × 124,332,129.40
  4. Step 4: Simplify right side
    296,869,808.20x = 55,387,273,112,853,000
  5. Step 5: Solve for x
    x = 55,387,273,112,853,000/296,869,808.20
  6. Step 6: Final answer
    x = 186,570,919.58

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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.