Home / 280,091,713.78-420,131,632.96-93,359,158.39

Finding the Fourth Proportional to 280,091,713.78, 420,131,632.96 and 93,359,158.39

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Solution

The fourth proportional to 280,091,713.78, 420,131,632.96 and 93,359,158.39 is: 140,036,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,091,713.78 : 420,131,632.96 = 93,359,158.39 : x
  2. Step 2: Convert to fraction form
    280,091,713.78/420,131,632.96 = 93,359,158.39/x
  3. Step 3: Cross multiply
    280,091,713.78x = 420,131,632.96 × 93,359,158.39
  4. Step 4: Simplify right side
    280,091,713.78x = 39,223,135,666,161,984
  5. Step 5: Solve for x
    x = 39,223,135,666,161,984/280,091,713.78
  6. Step 6: Final answer
    x = 140,036,758.45

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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.