Home / 86,018,244.20-129,027,366.30-55,561,207.40

Finding the Fourth Proportional to 86,018,244.20, 129,027,366.30 and 55,561,207.40

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Solution

The fourth proportional to 86,018,244.20, 129,027,366.30 and 55,561,207.40 is: 83,341,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,018,244.20 : 129,027,366.30 = 55,561,207.40 : x
  2. Step 2: Convert to fraction form
    86,018,244.20/129,027,366.30 = 55,561,207.40/x
  3. Step 3: Cross multiply
    86,018,244.20x = 129,027,366.30 × 55,561,207.40
  4. Step 4: Simplify right side
    86,018,244.20x = 7,168,916,259,270,070
  5. Step 5: Solve for x
    x = 7,168,916,259,270,070/86,018,244.20
  6. Step 6: Final answer
    x = 83,341,811.10

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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.