Home / 89,448,551.60-134,172,827.40-80,839,207.40

Finding the Fourth Proportional to 89,448,551.60, 134,172,827.40 and 80,839,207.40

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Solution

The fourth proportional to 89,448,551.60, 134,172,827.40 and 80,839,207.40 is: 121,258,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448,551.60 : 134,172,827.40 = 80,839,207.40 : x
  2. Step 2: Convert to fraction form
    89,448,551.60/134,172,827.40 = 80,839,207.40/x
  3. Step 3: Cross multiply
    89,448,551.60x = 134,172,827.40 × 80,839,207.40
  4. Step 4: Simplify right side
    89,448,551.60x = 10,846,425,021,633,004
  5. Step 5: Solve for x
    x = 10,846,425,021,633,004/89,448,551.60
  6. Step 6: Final answer
    x = 121,258,811.10

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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.