Home / 186,260,763.90-279,391,145.85-89,166,493.20

Finding the Fourth Proportional to 186,260,763.90, 279,391,145.85 and 89,166,493.20

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Solution

The fourth proportional to 186,260,763.90, 279,391,145.85 and 89,166,493.20 is: 133,749,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,260,763.90 : 279,391,145.85 = 89,166,493.20 : x
  2. Step 2: Convert to fraction form
    186,260,763.90/279,391,145.85 = 89,166,493.20/x
  3. Step 3: Cross multiply
    186,260,763.90x = 279,391,145.85 × 89,166,493.20
  4. Step 4: Simplify right side
    186,260,763.90x = 24,912,328,706,574,236
  5. Step 5: Solve for x
    x = 24,912,328,706,574,236/186,260,763.90
  6. Step 6: Final answer
    x = 133,749,739.80

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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.