Home / 155,925,603.34-215,177,336.88-86,310,984.22

Finding the Fourth Proportional to 155,925,603.34, 215,177,336.88 and 86,310,984.22

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Solution

The fourth proportional to 155,925,603.34, 215,177,336.88 and 86,310,984.22 is: 119,109,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,925,603.34 : 215,177,336.88 = 86,310,984.22 : x
  2. Step 2: Convert to fraction form
    155,925,603.34/215,177,336.88 = 86,310,984.22/x
  3. Step 3: Cross multiply
    155,925,603.34x = 215,177,336.88 × 86,310,984.22
  4. Step 4: Simplify right side
    155,925,603.34x = 18,572,167,727,951,304
  5. Step 5: Solve for x
    x = 18,572,167,727,951,304/155,925,603.34
  6. Step 6: Final answer
    x = 119,109,160.59

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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.