Home / 155,975,292.14-215,252,629.17-86,360,679.17

Finding the Fourth Proportional to 155,975,292.14, 215,252,629.17 and 86,360,679.17

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Solution

The fourth proportional to 155,975,292.14, 215,252,629.17 and 86,360,679.17 is: 119,181,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,975,292.14 : 215,252,629.17 = 86,360,679.17 : x
  2. Step 2: Convert to fraction form
    155,975,292.14/215,252,629.17 = 86,360,679.17/x
  3. Step 3: Cross multiply
    155,975,292.14x = 215,252,629.17 × 86,360,679.17
  4. Step 4: Simplify right side
    155,975,292.14x = 18,589,363,247,656,436
  5. Step 5: Solve for x
    x = 18,589,363,247,656,436/155,975,292.14
  6. Step 6: Final answer
    x = 119,181,461.33

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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.