Home / 86,985,278.60-130,577,450.70-51,103,704.20

Finding the Fourth Proportional to 86,985,278.60, 130,577,450.70 and 51,103,704.20

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Solution

The fourth proportional to 86,985,278.60, 130,577,450.70 and 51,103,704.20 is: 76,714,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985,278.60 : 130,577,450.70 = 51,103,704.20 : x
  2. Step 2: Convert to fraction form
    86,985,278.60/130,577,450.70 = 51,103,704.20/x
  3. Step 3: Cross multiply
    86,985,278.60x = 130,577,450.70 × 51,103,704.20
  4. Step 4: Simplify right side
    86,985,278.60x = 6,672,991,415,762,883
  5. Step 5: Solve for x
    x = 6,672,991,415,762,883/86,985,278.60
  6. Step 6: Final answer
    x = 76,714,031.65

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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.