Home / 80,889,449.26-121,141,574.84-51,652,728.04

Finding the Fourth Proportional to 80,889,449.26, 121,141,574.84 and 51,652,728.04

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Solution

The fourth proportional to 80,889,449.26, 121,141,574.84 and 51,652,728.04 is: 77,356,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,889,449.26 : 121,141,574.84 = 51,652,728.04 : x
  2. Step 2: Convert to fraction form
    80,889,449.26/121,141,574.84 = 51,652,728.04/x
  3. Step 3: Cross multiply
    80,889,449.26x = 121,141,574.84 × 51,652,728.04
  4. Step 4: Simplify right side
    80,889,449.26x = 6,257,292,819,547,827
  5. Step 5: Solve for x
    x = 6,257,292,819,547,827/80,889,449.26
  6. Step 6: Final answer
    x = 77,356,106.10

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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.