Home / 72,576,278.40-108,864,417.60-58,971,388.80

Finding the Fourth Proportional to 72,576,278.40, 108,864,417.60 and 58,971,388.80

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Solution

The fourth proportional to 72,576,278.40, 108,864,417.60 and 58,971,388.80 is: 88,457,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,278.40 : 108,864,417.60 = 58,971,388.80 : x
  2. Step 2: Convert to fraction form
    72,576,278.40/108,864,417.60 = 58,971,388.80/x
  3. Step 3: Cross multiply
    72,576,278.40x = 108,864,417.60 × 58,971,388.80
  4. Step 4: Simplify right side
    72,576,278.40x = 6,419,885,896,775,162
  5. Step 5: Solve for x
    x = 6,419,885,896,775,162/72,576,278.40
  6. Step 6: Final answer
    x = 88,457,083.20

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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.