Home / 144,918,124.20-217,314,200.70-47,836,319.40

Finding the Fourth Proportional to 144,918,124.20, 217,314,200.70 and 47,836,319.40

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Solution

The fourth proportional to 144,918,124.20, 217,314,200.70 and 47,836,319.40 is: 71,733,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,918,124.20 : 217,314,200.70 = 47,836,319.40 : x
  2. Step 2: Convert to fraction form
    144,918,124.20/217,314,200.70 = 47,836,319.40/x
  3. Step 3: Cross multiply
    144,918,124.20x = 217,314,200.70 × 47,836,319.40
  4. Step 4: Simplify right side
    144,918,124.20x = 10,395,511,514,840,902
  5. Step 5: Solve for x
    x = 10,395,511,514,840,902/144,918,124.20
  6. Step 6: Final answer
    x = 71,733,688.05

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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.