Home / 73,823,928.96-101,876,702.40-40,784,177.28

Finding the Fourth Proportional to 73,823,928.96, 101,876,702.40 and 40,784,177.28

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Solution

The fourth proportional to 73,823,928.96, 101,876,702.40 and 40,784,177.28 is: 56,281,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,823,928.96 : 101,876,702.40 = 40,784,177.28 : x
  2. Step 2: Convert to fraction form
    73,823,928.96/101,876,702.40 = 40,784,177.28/x
  3. Step 3: Cross multiply
    73,823,928.96x = 101,876,702.40 × 40,784,177.28
  4. Step 4: Simplify right side
    73,823,928.96x = 4,154,957,491,383,402
  5. Step 5: Solve for x
    x = 4,154,957,491,383,402/73,823,928.96
  6. Step 6: Final answer
    x = 56,281,988.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.