Home / 98,685,645.30-147,428,703.45-63,858,323.16

Finding the Fourth Proportional to 98,685,645.30, 147,428,703.45 and 63,858,323.16

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Solution

The fourth proportional to 98,685,645.30, 147,428,703.45 and 63,858,323.16 is: 95,399,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685,645.30 : 147,428,703.45 = 63,858,323.16 : x
  2. Step 2: Convert to fraction form
    98,685,645.30/147,428,703.45 = 63,858,323.16/x
  3. Step 3: Cross multiply
    98,685,645.30x = 147,428,703.45 × 63,858,323.16
  4. Step 4: Simplify right side
    98,685,645.30x = 9,414,549,787,969,906
  5. Step 5: Solve for x
    x = 9,414,549,787,969,906/98,685,645.30
  6. Step 6: Final answer
    x = 95,399,384.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.