Home / 306,087,669.90-459,131,504.85-124,465,193.10

Finding the Fourth Proportional to 306,087,669.90, 459,131,504.85 and 124,465,193.10

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Solution

The fourth proportional to 306,087,669.90, 459,131,504.85 and 124,465,193.10 is: 186,697,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,087,669.90 : 459,131,504.85 = 124,465,193.10 : x
  2. Step 2: Convert to fraction form
    306,087,669.90/459,131,504.85 = 124,465,193.10/x
  3. Step 3: Cross multiply
    306,087,669.90x = 459,131,504.85 × 124,465,193.10
  4. Step 4: Simplify right side
    306,087,669.90x = 57,145,891,409,448,840
  5. Step 5: Solve for x
    x = 57,145,891,409,448,840/306,087,669.90
  6. Step 6: Final answer
    x = 186,697,789.65

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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.