Home / 52,091,985.20-78,115,859.40-25,173,892.40

Finding the Fourth Proportional to 52,091,985.20, 78,115,859.40 and 25,173,892.40

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Solution

The fourth proportional to 52,091,985.20, 78,115,859.40 and 25,173,892.40 is: 37,750,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091,985.20 : 78,115,859.40 = 25,173,892.40 : x
  2. Step 2: Convert to fraction form
    52,091,985.20/78,115,859.40 = 25,173,892.40/x
  3. Step 3: Cross multiply
    52,091,985.20x = 78,115,859.40 × 25,173,892.40
  4. Step 4: Simplify right side
    52,091,985.20x = 1,966,480,239,269,128.50
  5. Step 5: Solve for x
    x = 1,966,480,239,269,128.50/52,091,985.20
  6. Step 6: Final answer
    x = 37,750,149.70

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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.