Home / 84,282,555.78-126,423,882.27-23,698,281.78

Finding the Fourth Proportional to 84,282,555.78, 126,423,882.27 and 23,698,281.78

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Solution

The fourth proportional to 84,282,555.78, 126,423,882.27 and 23,698,281.78 is: 35,547,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,282,555.78 : 126,423,882.27 = 23,698,281.78 : x
  2. Step 2: Convert to fraction form
    84,282,555.78/126,423,882.27 = 23,698,281.78/x
  3. Step 3: Cross multiply
    84,282,555.78x = 126,423,882.27 × 23,698,281.78
  4. Step 4: Simplify right side
    84,282,555.78x = 2,996,028,785,756,006
  5. Step 5: Solve for x
    x = 2,996,028,785,756,006/84,282,555.78
  6. Step 6: Final answer
    x = 35,547,436.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.