Home / 140,087,702.28-193,324,088.26-77,363,672.44

Finding the Fourth Proportional to 140,087,702.28, 193,324,088.26 and 77,363,672.44

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Solution

The fourth proportional to 140,087,702.28, 193,324,088.26 and 77,363,672.44 is: 106,763,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,087,702.28 : 193,324,088.26 = 77,363,672.44 : x
  2. Step 2: Convert to fraction form
    140,087,702.28/193,324,088.26 = 77,363,672.44/x
  3. Step 3: Cross multiply
    140,087,702.28x = 193,324,088.26 × 77,363,672.44
  4. Step 4: Simplify right side
    140,087,702.28x = 14,956,261,438,665,064
  5. Step 5: Solve for x
    x = 14,956,261,438,665,064/140,087,702.28
  6. Step 6: Final answer
    x = 106,763,557.36

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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.