Home / 43,115,001.20-64,578,023.40-38,328,095.60

Finding the Fourth Proportional to 43,115,001.20, 64,578,023.40 and 38,328,095.60

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Solution

The fourth proportional to 43,115,001.20, 64,578,023.40 and 38,328,095.60 is: 57,408,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,001.20 : 64,578,023.40 = 38,328,095.60 : x
  2. Step 2: Convert to fraction form
    43,115,001.20/64,578,023.40 = 38,328,095.60/x
  3. Step 3: Cross multiply
    43,115,001.20x = 64,578,023.40 × 38,328,095.60
  4. Step 4: Simplify right side
    43,115,001.20x = 2,475,152,654,534,237
  5. Step 5: Solve for x
    x = 2,475,152,654,534,237/43,115,001.20
  6. Step 6: Final answer
    x = 57,408,154.60

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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.