Home / 57,354,540.80-86,031,811.20-28,689,094.40

Finding the Fourth Proportional to 57,354,540.80, 86,031,811.20 and 28,689,094.40

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Solution

The fourth proportional to 57,354,540.80, 86,031,811.20 and 28,689,094.40 is: 43,033,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354,540.80 : 86,031,811.20 = 28,689,094.40 : x
  2. Step 2: Convert to fraction form
    57,354,540.80/86,031,811.20 = 28,689,094.40/x
  3. Step 3: Cross multiply
    57,354,540.80x = 86,031,811.20 × 28,689,094.40
  4. Step 4: Simplify right side
    57,354,540.80x = 2,468,174,752,919,777
  5. Step 5: Solve for x
    x = 2,468,174,752,919,777/57,354,540.80
  6. Step 6: Final answer
    x = 43,033,641.60

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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.