Home / 118,101,419.20-177,152,128.80-101,945,612.80

Finding the Fourth Proportional to 118,101,419.20, 177,152,128.80 and 101,945,612.80

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Solution

The fourth proportional to 118,101,419.20, 177,152,128.80 and 101,945,612.80 is: 152,918,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101,419.20 : 177,152,128.80 = 101,945,612.80 : x
  2. Step 2: Convert to fraction form
    118,101,419.20/177,152,128.80 = 101,945,612.80/x
  3. Step 3: Cross multiply
    118,101,419.20x = 177,152,128.80 × 101,945,612.80
  4. Step 4: Simplify right side
    118,101,419.20x = 18,059,882,329,340,528
  5. Step 5: Solve for x
    x = 18,059,882,329,340,528/118,101,419.20
  6. Step 6: Final answer
    x = 152,918,419.20

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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.