Home / 115,860,900.20-173,889,327.90-47,752,471.40

Finding the Fourth Proportional to 115,860,900.20, 173,889,327.90 and 47,752,471.40

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Solution

The fourth proportional to 115,860,900.20, 173,889,327.90 and 47,752,471.40 is: 71,669,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,860,900.20 : 173,889,327.90 = 47,752,471.40 : x
  2. Step 2: Convert to fraction form
    115,860,900.20/173,889,327.90 = 47,752,471.40/x
  3. Step 3: Cross multiply
    115,860,900.20x = 173,889,327.90 × 47,752,471.40
  4. Step 4: Simplify right side
    115,860,900.20x = 8,303,645,157,309,972
  5. Step 5: Solve for x
    x = 8,303,645,157,309,972/115,860,900.20
  6. Step 6: Final answer
    x = 71,669,088.91

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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.