Home / 99,796,910.60-137,668,151.42-63,148,739.24

Finding the Fourth Proportional to 99,796,910.60, 137,668,151.42 and 63,148,739.24

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Solution

The fourth proportional to 99,796,910.60, 137,668,151.42 and 63,148,739.24 is: 87,112,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,796,910.60 : 137,668,151.42 = 63,148,739.24 : x
  2. Step 2: Convert to fraction form
    99,796,910.60/137,668,151.42 = 63,148,739.24/x
  3. Step 3: Cross multiply
    99,796,910.60x = 137,668,151.42 × 63,148,739.24
  4. Step 4: Simplify right side
    99,796,910.60x = 8,693,570,195,674,415
  5. Step 5: Solve for x
    x = 8,693,570,195,674,415/99,796,910.60
  6. Step 6: Final answer
    x = 87,112,618.45

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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.