Home / 86,887,711.60-130,331,567.40-26,306,450.80

Finding the Fourth Proportional to 86,887,711.60, 130,331,567.40 and 26,306,450.80

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Solution

The fourth proportional to 86,887,711.60, 130,331,567.40 and 26,306,450.80 is: 39,459,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887,711.60 : 130,331,567.40 = 26,306,450.80 : x
  2. Step 2: Convert to fraction form
    86,887,711.60/130,331,567.40 = 26,306,450.80/x
  3. Step 3: Cross multiply
    86,887,711.60x = 130,331,567.40 × 26,306,450.80
  4. Step 4: Simplify right side
    86,887,711.60x = 3,428,560,965,494,984
  5. Step 5: Solve for x
    x = 3,428,560,965,494,984/86,887,711.60
  6. Step 6: Final answer
    x = 39,459,676.20

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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.