Home / 122,502,535.65-169,065,412.65-91,508,896.53

Finding the Fourth Proportional to 122,502,535.65, 169,065,412.65 and 91,508,896.53

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Solution

The fourth proportional to 122,502,535.65, 169,065,412.65 and 91,508,896.53 is: 126,291,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,502,535.65 : 169,065,412.65 = 91,508,896.53 : x
  2. Step 2: Convert to fraction form
    122,502,535.65/169,065,412.65 = 91,508,896.53/x
  3. Step 3: Cross multiply
    122,502,535.65x = 169,065,412.65 × 91,508,896.53
  4. Step 4: Simplify right side
    122,502,535.65x = 15,470,989,352,990,604
  5. Step 5: Solve for x
    x = 15,470,989,352,990,604/122,502,535.65
  6. Step 6: Final answer
    x = 126,291,176.51

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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.