Home / 96,875,821.56-133,721,029.29-57,729,873.72

Finding the Fourth Proportional to 96,875,821.56, 133,721,029.29 and 57,729,873.72

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Solution

The fourth proportional to 96,875,821.56, 133,721,029.29 and 57,729,873.72 is: 79,686,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,875,821.56 : 133,721,029.29 = 57,729,873.72 : x
  2. Step 2: Convert to fraction form
    96,875,821.56/133,721,029.29 = 57,729,873.72/x
  3. Step 3: Cross multiply
    96,875,821.56x = 133,721,029.29 × 57,729,873.72
  4. Step 4: Simplify right side
    96,875,821.56x = 7,719,698,134,620,121
  5. Step 5: Solve for x
    x = 7,719,698,134,620,121/96,875,821.56
  6. Step 6: Final answer
    x = 79,686,530.76

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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.