Home / 150,538,488.32-207,755,635.04-83,563,750.08

Finding the Fourth Proportional to 150,538,488.32, 207,755,635.04 and 83,563,750.08

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Solution

The fourth proportional to 150,538,488.32, 207,755,635.04 and 83,563,750.08 is: 115,324,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,538,488.32 : 207,755,635.04 = 83,563,750.08 : x
  2. Step 2: Convert to fraction form
    150,538,488.32/207,755,635.04 = 83,563,750.08/x
  3. Step 3: Cross multiply
    150,538,488.32x = 207,755,635.04 × 83,563,750.08
  4. Step 4: Simplify right side
    150,538,488.32x = 17,360,839,964,194,250
  5. Step 5: Solve for x
    x = 17,360,839,964,194,250/150,538,488.32
  6. Step 6: Final answer
    x = 115,324,925.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.