Home / 169,371,805.60-254,057,708.40-91,887,707.80

Finding the Fourth Proportional to 169,371,805.60, 254,057,708.40 and 91,887,707.80

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Solution

The fourth proportional to 169,371,805.60, 254,057,708.40 and 91,887,707.80 is: 137,831,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371,805.60 : 254,057,708.40 = 91,887,707.80 : x
  2. Step 2: Convert to fraction form
    169,371,805.60/254,057,708.40 = 91,887,707.80/x
  3. Step 3: Cross multiply
    169,371,805.60x = 254,057,708.40 × 91,887,707.80
  4. Step 4: Simplify right side
    169,371,805.60x = 23,344,780,473,796,804
  5. Step 5: Solve for x
    x = 23,344,780,473,796,804/169,371,805.60
  6. Step 6: Final answer
    x = 137,831,561.70

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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.