Home / 129,807,924.48-179,127,839-71,059,224.40

Finding the Fourth Proportional to 129,807,924.48, 179,127,839 and 71,059,224.40

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Solution

The fourth proportional to 129,807,924.48, 179,127,839 and 71,059,224.40 is: 98,057,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807,924.48 : 179,127,839 = 71,059,224.40 : x
  2. Step 2: Convert to fraction form
    129,807,924.48/179,127,839 = 71,059,224.40/x
  3. Step 3: Cross multiply
    129,807,924.48x = 179,127,839 × 71,059,224.40
  4. Step 4: Simplify right side
    129,807,924.48x = 12,728,685,307,788,072
  5. Step 5: Solve for x
    x = 12,728,685,307,788,072/129,807,924.48
  6. Step 6: Final answer
    x = 98,057,844.76

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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.