Home / 86,898,490.60-130,431,716.70-52,886,266.60

Finding the Fourth Proportional to 86,898,490.60, 130,431,716.70 and 52,886,266.60

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Solution

The fourth proportional to 86,898,490.60, 130,431,716.70 and 52,886,266.60 is: 79,380,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898,490.60 : 130,431,716.70 = 52,886,266.60 : x
  2. Step 2: Convert to fraction form
    86,898,490.60/130,431,716.70 = 52,886,266.60/x
  3. Step 3: Cross multiply
    86,898,490.60x = 130,431,716.70 × 52,886,266.60
  4. Step 4: Simplify right side
    86,898,490.60x = 6,898,046,542,491,873
  5. Step 5: Solve for x
    x = 6,898,046,542,491,873/86,898,490.60
  6. Step 6: Final answer
    x = 79,380,510.47

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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.