Home / 155,971,264.52-215,247,071.52-86,356,646.36

Finding the Fourth Proportional to 155,971,264.52, 215,247,071.52 and 86,356,646.36

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Solution

The fourth proportional to 155,971,264.52, 215,247,071.52 and 86,356,646.36 is: 119,175,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,971,264.52 : 215,247,071.52 = 86,356,646.36 : x
  2. Step 2: Convert to fraction form
    155,971,264.52/215,247,071.52 = 86,356,646.36/x
  3. Step 3: Cross multiply
    155,971,264.52x = 215,247,071.52 × 86,356,646.36
  4. Step 4: Simplify right side
    155,971,264.52x = 18,588,015,235,278,268
  5. Step 5: Solve for x
    x = 18,588,015,235,278,268/155,971,264.52
  6. Step 6: Final answer
    x = 119,175,896.23

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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.