Home / 157,615,609.40-236,423,414.10-142,310,108.60

Finding the Fourth Proportional to 157,615,609.40, 236,423,414.10 and 142,310,108.60

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Solution

The fourth proportional to 157,615,609.40, 236,423,414.10 and 142,310,108.60 is: 213,465,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615,609.40 : 236,423,414.10 = 142,310,108.60 : x
  2. Step 2: Convert to fraction form
    157,615,609.40/236,423,414.10 = 142,310,108.60/x
  3. Step 3: Cross multiply
    157,615,609.40x = 236,423,414.10 × 142,310,108.60
  4. Step 4: Simplify right side
    157,615,609.40x = 33,645,441,736,153,768
  5. Step 5: Solve for x
    x = 33,645,441,736,153,768/157,615,609.40
  6. Step 6: Final answer
    x = 213,465,162.90

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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.