Home / 84,340,830.90-126,427,265.55-38,823,237.30

Finding the Fourth Proportional to 84,340,830.90, 126,427,265.55 and 38,823,237.30

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Solution

The fourth proportional to 84,340,830.90, 126,427,265.55 and 38,823,237.30 is: 58,196,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340,830.90 : 126,427,265.55 = 38,823,237.30 : x
  2. Step 2: Convert to fraction form
    84,340,830.90/126,427,265.55 = 38,823,237.30/x
  3. Step 3: Cross multiply
    84,340,830.90x = 126,427,265.55 × 38,823,237.30
  4. Step 4: Simplify right side
    84,340,830.90x = 4,908,315,731,637,765
  5. Step 5: Solve for x
    x = 4,908,315,731,637,765/84,340,830.90
  6. Step 6: Final answer
    x = 58,196,198.44

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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.