Home / 85,519,248.84-128,270,046.33-58,029,671.73

Finding the Fourth Proportional to 85,519,248.84, 128,270,046.33 and 58,029,671.73

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Solution

The fourth proportional to 85,519,248.84, 128,270,046.33 and 58,029,671.73 is: 87,038,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519,248.84 : 128,270,046.33 = 58,029,671.73 : x
  2. Step 2: Convert to fraction form
    85,519,248.84/128,270,046.33 = 58,029,671.73/x
  3. Step 3: Cross multiply
    85,519,248.84x = 128,270,046.33 × 58,029,671.73
  4. Step 4: Simplify right side
    85,519,248.84x = 7,443,468,681,321,791
  5. Step 5: Solve for x
    x = 7,443,468,681,321,791/85,519,248.84
  6. Step 6: Final answer
    x = 87,038,518.02

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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.