Home / 153,836,179.20-230,698,281.60-77,133,715.20

Finding the Fourth Proportional to 153,836,179.20, 230,698,281.60 and 77,133,715.20

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Solution

The fourth proportional to 153,836,179.20, 230,698,281.60 and 77,133,715.20 is: 115,672,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,836,179.20 : 230,698,281.60 = 77,133,715.20 : x
  2. Step 2: Convert to fraction form
    153,836,179.20/230,698,281.60 = 77,133,715.20/x
  3. Step 3: Cross multiply
    153,836,179.20x = 230,698,281.60 × 77,133,715.20
  4. Step 4: Simplify right side
    153,836,179.20x = 17,794,615,550,063,800
  5. Step 5: Solve for x
    x = 17,794,615,550,063,800/153,836,179.20
  6. Step 6: Final answer
    x = 115,672,500.73

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1.5x scale

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.