Home / 86,986,569.60-130,479,854.40-58,321,123.20

Finding the Fourth Proportional to 86,986,569.60, 130,479,854.40 and 58,321,123.20

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Solution

The fourth proportional to 86,986,569.60, 130,479,854.40 and 58,321,123.20 is: 87,481,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,986,569.60 : 130,479,854.40 = 58,321,123.20 : x
  2. Step 2: Convert to fraction form
    86,986,569.60/130,479,854.40 = 58,321,123.20/x
  3. Step 3: Cross multiply
    86,986,569.60x = 130,479,854.40 × 58,321,123.20
  4. Step 4: Simplify right side
    86,986,569.60x = 7,609,731,663,580,463
  5. Step 5: Solve for x
    x = 7,609,731,663,580,463/86,986,569.60
  6. Step 6: Final answer
    x = 87,481,684.80

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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.