Home / 130,599,646.23-180,222,108.28-71,061,187.39

Finding the Fourth Proportional to 130,599,646.23, 180,222,108.28 and 71,061,187.39

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Solution

The fourth proportional to 130,599,646.23, 180,222,108.28 and 71,061,187.39 is: 98,061,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,646.23 : 180,222,108.28 = 71,061,187.39 : x
  2. Step 2: Convert to fraction form
    130,599,646.23/180,222,108.28 = 71,061,187.39/x
  3. Step 3: Cross multiply
    130,599,646.23x = 180,222,108.28 × 71,061,187.39
  4. Step 4: Simplify right side
    130,599,646.23x = 12,806,797,008,305,950
  5. Step 5: Solve for x
    x = 12,806,797,008,305,950/130,599,646.23
  6. Step 6: Final answer
    x = 98,061,498.46

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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.