Home / 312,208,592.19-468,341,785.39-102,120,470.92

Finding the Fourth Proportional to 312,208,592.19, 468,341,785.39 and 102,120,470.92

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Solution

The fourth proportional to 312,208,592.19, 468,341,785.39 and 102,120,470.92 is: 153,190,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,592.19 : 468,341,785.39 = 102,120,470.92 : x
  2. Step 2: Convert to fraction form
    312,208,592.19/468,341,785.39 = 102,120,470.92/x
  3. Step 3: Cross multiply
    312,208,592.19x = 468,341,785.39 × 102,120,470.92
  4. Step 4: Simplify right side
    312,208,592.19x = 47,827,283,673,716,344
  5. Step 5: Solve for x
    x = 47,827,283,673,716,344/312,208,592.19
  6. Step 6: Final answer
    x = 153,190,158.34

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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.