Home / 130,599,709.22-180,222,195.02-71,061,250.28

Finding the Fourth Proportional to 130,599,709.22, 180,222,195.02 and 71,061,250.28

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Solution

The fourth proportional to 130,599,709.22, 180,222,195.02 and 71,061,250.28 is: 98,061,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,709.22 : 180,222,195.02 = 71,061,250.28 : x
  2. Step 2: Convert to fraction form
    130,599,709.22/180,222,195.02 = 71,061,250.28/x
  3. Step 3: Cross multiply
    130,599,709.22x = 180,222,195.02 × 71,061,250.28
  4. Step 4: Simplify right side
    130,599,709.22x = 12,806,814,506,327,190
  5. Step 5: Solve for x
    x = 12,806,814,506,327,190/130,599,709.22
  6. Step 6: Final answer
    x = 98,061,585.15

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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.