Home / 86,652,212.90-129,946,826.55-29,146,360.10

Finding the Fourth Proportional to 86,652,212.90, 129,946,826.55 and 29,146,360.10

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Solution

The fourth proportional to 86,652,212.90, 129,946,826.55 and 29,146,360.10 is: 43,708,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652,212.90 : 129,946,826.55 = 29,146,360.10 : x
  2. Step 2: Convert to fraction form
    86,652,212.90/129,946,826.55 = 29,146,360.10/x
  3. Step 3: Cross multiply
    86,652,212.90x = 129,946,826.55 × 29,146,360.10
  4. Step 4: Simplify right side
    86,652,212.90x = 3,787,477,000,478,541
  5. Step 5: Solve for x
    x = 3,787,477,000,478,541/86,652,212.90
  6. Step 6: Final answer
    x = 43,708,947.22

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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.