Home / 89,748,047.80-134,728,359.90-50,917,425.40

Finding the Fourth Proportional to 89,748,047.80, 134,728,359.90 and 50,917,425.40

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Solution

The fourth proportional to 89,748,047.80, 134,728,359.90 and 50,917,425.40 is: 76,436,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,748,047.80 : 134,728,359.90 = 50,917,425.40 : x
  2. Step 2: Convert to fraction form
    89,748,047.80/134,728,359.90 = 50,917,425.40/x
  3. Step 3: Cross multiply
    89,748,047.80x = 134,728,359.90 × 50,917,425.40
  4. Step 4: Simplify right side
    89,748,047.80x = 6,860,021,214,472,602
  5. Step 5: Solve for x
    x = 6,860,021,214,472,602/89,748,047.80
  6. Step 6: Final answer
    x = 76,436,439.37

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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.