Home / 130,599,703.28-180,222,186.83-71,061,244.33

Finding the Fourth Proportional to 130,599,703.28, 180,222,186.83 and 71,061,244.33

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Solution

The fourth proportional to 130,599,703.28, 180,222,186.83 and 71,061,244.33 is: 98,061,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,703.28 : 180,222,186.83 = 71,061,244.33 : x
  2. Step 2: Convert to fraction form
    130,599,703.28/180,222,186.83 = 71,061,244.33/x
  3. Step 3: Cross multiply
    130,599,703.28x = 180,222,186.83 × 71,061,244.33
  4. Step 4: Simplify right side
    130,599,703.28x = 12,806,812,851,285,328
  5. Step 5: Solve for x
    x = 12,806,812,851,285,328/130,599,703.28
  6. Step 6: Final answer
    x = 98,061,576.94

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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.