Home / 215,013,655.08-296,710,297.56-126,936,025.20

Finding the Fourth Proportional to 215,013,655.08, 296,710,297.56 and 126,936,025.20

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Solution

The fourth proportional to 215,013,655.08, 296,710,297.56 and 126,936,025.20 is: 175,166,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,013,655.08 : 296,710,297.56 = 126,936,025.20 : x
  2. Step 2: Convert to fraction form
    215,013,655.08/296,710,297.56 = 126,936,025.20/x
  3. Step 3: Cross multiply
    215,013,655.08x = 296,710,297.56 × 126,936,025.20
  4. Step 4: Simplify right side
    215,013,655.08x = 37,663,225,808,175,656
  5. Step 5: Solve for x
    x = 37,663,225,808,175,656/215,013,655.08
  6. Step 6: Final answer
    x = 175,166,669.27

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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.