Home / 86,270,414.04-129,406,765.32-28,762,703.46

Finding the Fourth Proportional to 86,270,414.04, 129,406,765.32 and 28,762,703.46

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Solution

The fourth proportional to 86,270,414.04, 129,406,765.32 and 28,762,703.46 is: 43,144,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270,414.04 : 129,406,765.32 = 28,762,703.46 : x
  2. Step 2: Convert to fraction form
    86,270,414.04/129,406,765.32 = 28,762,703.46/x
  3. Step 3: Cross multiply
    86,270,414.04x = 129,406,765.32 × 28,762,703.46
  4. Step 4: Simplify right side
    86,270,414.04x = 3,722,088,416,616,972
  5. Step 5: Solve for x
    x = 3,722,088,416,616,972/86,270,414.04
  6. Step 6: Final answer
    x = 43,144,436.69

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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.