Home / 86,932,301.60-130,482,433.20-52,920,077.60

Finding the Fourth Proportional to 86,932,301.60, 130,482,433.20 and 52,920,077.60

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Solution

The fourth proportional to 86,932,301.60, 130,482,433.20 and 52,920,077.60 is: 79,431,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,301.60 : 130,482,433.20 = 52,920,077.60 : x
  2. Step 2: Convert to fraction form
    86,932,301.60/130,482,433.20 = 52,920,077.60/x
  3. Step 3: Cross multiply
    86,932,301.60x = 130,482,433.20 × 52,920,077.60
  4. Step 4: Simplify right side
    86,932,301.60x = 6,905,140,490,380,817
  5. Step 5: Solve for x
    x = 6,905,140,490,380,817/86,932,301.60
  6. Step 6: Final answer
    x = 79,431,239.75

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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.