Home / 296,869,888.20-445,478,480.10-124,332,209.40

Finding the Fourth Proportional to 296,869,888.20, 445,478,480.10 and 124,332,209.40

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Solution

The fourth proportional to 296,869,888.20, 445,478,480.10 and 124,332,209.40 is: 186,571,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,869,888.20 : 445,478,480.10 = 124,332,209.40 : x
  2. Step 2: Convert to fraction form
    296,869,888.20/445,478,480.10 = 124,332,209.40/x
  3. Step 3: Cross multiply
    296,869,888.20x = 445,478,480.10 × 124,332,209.40
  4. Step 4: Simplify right side
    296,869,888.20x = 55,387,323,670,986,936
  5. Step 5: Solve for x
    x = 55,387,323,670,986,936/296,869,888.20
  6. Step 6: Final answer
    x = 186,571,039.61

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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.