Home / 86,905,811.60-130,458,250.20-51,024,237.20

Finding the Fourth Proportional to 86,905,811.60, 130,458,250.20 and 51,024,237.20

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Solution

The fourth proportional to 86,905,811.60, 130,458,250.20 and 51,024,237.20 is: 76,594,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,905,811.60 : 130,458,250.20 = 51,024,237.20 : x
  2. Step 2: Convert to fraction form
    86,905,811.60/130,458,250.20 = 51,024,237.20/x
  3. Step 3: Cross multiply
    86,905,811.60x = 130,458,250.20 × 51,024,237.20
  4. Step 4: Simplify right side
    86,905,811.60x = 6,656,532,702,901,748
  5. Step 5: Solve for x
    x = 6,656,532,702,901,748/86,905,811.60
  6. Step 6: Final answer
    x = 76,594,793.61

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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.