Home / 215,013,619.06-296,710,247.88-126,935,989.11

Finding the Fourth Proportional to 215,013,619.06, 296,710,247.88 and 126,935,989.11

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Solution

The fourth proportional to 215,013,619.06, 296,710,247.88 and 126,935,989.11 is: 175,166,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,013,619.06 : 296,710,247.88 = 126,935,989.11 : x
  2. Step 2: Convert to fraction form
    215,013,619.06/296,710,247.88 = 126,935,989.11/x
  3. Step 3: Cross multiply
    215,013,619.06x = 296,710,247.88 × 126,935,989.11
  4. Step 4: Simplify right side
    215,013,619.06x = 37,663,208,793,721,080
  5. Step 5: Solve for x
    x = 37,663,208,793,721,080/215,013,619.06
  6. Step 6: Final answer
    x = 175,166,619.49

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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.