Home / 130,309,574.96-179,760,697.80-83,217,146.96

Finding the Fourth Proportional to 130,309,574.96, 179,760,697.80 and 83,217,146.96

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Solution

The fourth proportional to 130,309,574.96, 179,760,697.80 and 83,217,146.96 is: 114,797,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,309,574.96 : 179,760,697.80 = 83,217,146.96 : x
  2. Step 2: Convert to fraction form
    130,309,574.96/179,760,697.80 = 83,217,146.96/x
  3. Step 3: Cross multiply
    130,309,574.96x = 179,760,697.80 × 83,217,146.96
  4. Step 4: Simplify right side
    130,309,574.96x = 14,959,172,406,454,748
  5. Step 5: Solve for x
    x = 14,959,172,406,454,748/130,309,574.96
  6. Step 6: Final answer
    x = 114,797,185.17

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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.