Home / 99,549,091.28-137,370,730.92-55,494,141.40

Finding the Fourth Proportional to 99,549,091.28, 137,370,730.92 and 55,494,141.40

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Solution

The fourth proportional to 99,549,091.28, 137,370,730.92 and 55,494,141.40 is: 76,578,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549,091.28 : 137,370,730.92 = 55,494,141.40 : x
  2. Step 2: Convert to fraction form
    99,549,091.28/137,370,730.92 = 55,494,141.40/x
  3. Step 3: Cross multiply
    99,549,091.28x = 137,370,730.92 × 55,494,141.40
  4. Step 4: Simplify right side
    99,549,091.28x = 7,623,270,765,895,831
  5. Step 5: Solve for x
    x = 7,623,270,765,895,831/99,549,091.28
  6. Step 6: Final answer
    x = 76,578,004.56

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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.