Home / 85,292,454.59-127,939,056.70-27,000,418.94

Finding the Fourth Proportional to 85,292,454.59, 127,939,056.70 and 27,000,418.94

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Solution

The fourth proportional to 85,292,454.59, 127,939,056.70 and 27,000,418.94 is: 40,500,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292,454.59 : 127,939,056.70 = 27,000,418.94 : x
  2. Step 2: Convert to fraction form
    85,292,454.59/127,939,056.70 = 27,000,418.94/x
  3. Step 3: Cross multiply
    85,292,454.59x = 127,939,056.70 × 27,000,418.94
  4. Step 4: Simplify right side
    85,292,454.59x = 3,454,408,130,127,524
  5. Step 5: Solve for x
    x = 3,454,408,130,127,524/85,292,454.59
  6. Step 6: Final answer
    x = 40,500,747.07

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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.