Home / 130,599,643.44-180,222,104.46-71,061,184.61

Finding the Fourth Proportional to 130,599,643.44, 180,222,104.46 and 71,061,184.61

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Solution

The fourth proportional to 130,599,643.44, 180,222,104.46 and 71,061,184.61 is: 98,061,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,643.44 : 180,222,104.46 = 71,061,184.61 : x
  2. Step 2: Convert to fraction form
    130,599,643.44/180,222,104.46 = 71,061,184.61/x
  3. Step 3: Cross multiply
    130,599,643.44x = 180,222,104.46 × 71,061,184.61
  4. Step 4: Simplify right side
    130,599,643.44x = 12,806,796,235,875,966
  5. Step 5: Solve for x
    x = 12,806,796,235,875,966/130,599,643.44
  6. Step 6: Final answer
    x = 98,061,494.64

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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.