Home / 158,271,207.32-218,426,382.95-99,584,177.69

Finding the Fourth Proportional to 158,271,207.32, 218,426,382.95 and 99,584,177.69

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Solution

The fourth proportional to 158,271,207.32, 218,426,382.95 and 99,584,177.69 is: 137,433,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,207.32 : 218,426,382.95 = 99,584,177.69 : x
  2. Step 2: Convert to fraction form
    158,271,207.32/218,426,382.95 = 99,584,177.69/x
  3. Step 3: Cross multiply
    158,271,207.32x = 218,426,382.95 × 99,584,177.69
  4. Step 4: Simplify right side
    158,271,207.32x = 21,751,811,731,924,928
  5. Step 5: Solve for x
    x = 21,751,811,731,924,928/158,271,207.32
  6. Step 6: Final answer
    x = 137,433,789.13

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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.