Home / 178,865,385.72-246,835,268.16-100,548,253.80

Finding the Fourth Proportional to 178,865,385.72, 246,835,268.16 and 100,548,253.80

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Solution

The fourth proportional to 178,865,385.72, 246,835,268.16 and 100,548,253.80 is: 138,757,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,865,385.72 : 246,835,268.16 = 100,548,253.80 : x
  2. Step 2: Convert to fraction form
    178,865,385.72/246,835,268.16 = 100,548,253.80/x
  3. Step 3: Cross multiply
    178,865,385.72x = 246,835,268.16 × 100,548,253.80
  4. Step 4: Simplify right side
    178,865,385.72x = 24,818,855,189,742,736
  5. Step 5: Solve for x
    x = 24,818,855,189,742,736/178,865,385.72
  6. Step 6: Final answer
    x = 138,757,172.55

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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.