Home / 38,823,025.20-58,234,537.80-38,319,140.40

Finding the Fourth Proportional to 38,823,025.20, 58,234,537.80 and 38,319,140.40

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Solution

The fourth proportional to 38,823,025.20, 58,234,537.80 and 38,319,140.40 is: 57,478,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823,025.20 : 58,234,537.80 = 38,319,140.40 : x
  2. Step 2: Convert to fraction form
    38,823,025.20/58,234,537.80 = 38,319,140.40/x
  3. Step 3: Cross multiply
    38,823,025.20x = 58,234,537.80 × 38,319,140.40
  4. Step 4: Simplify right side
    38,823,025.20x = 2,231,497,430,087,307
  5. Step 5: Solve for x
    x = 2,231,497,430,087,307/38,823,025.20
  6. Step 6: Final answer
    x = 57,478,710.60

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Similar ratio
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1.5x scale

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.