Home / 86,939,956.56-130,433,454.81-29,432,232.66

Finding the Fourth Proportional to 86,939,956.56, 130,433,454.81 and 29,432,232.66

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Solution

The fourth proportional to 86,939,956.56, 130,433,454.81 and 29,432,232.66 is: 44,156,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,956.56 : 130,433,454.81 = 29,432,232.66 : x
  2. Step 2: Convert to fraction form
    86,939,956.56/130,433,454.81 = 29,432,232.66/x
  3. Step 3: Cross multiply
    86,939,956.56x = 130,433,454.81 × 29,432,232.66
  4. Step 4: Simplify right side
    86,939,956.56x = 3,838,947,788,615,516
  5. Step 5: Solve for x
    x = 3,838,947,788,615,516/86,939,956.56
  6. Step 6: Final answer
    x = 44,156,311.33

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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.