Home / 90,930,463.65-136,481,926.73-56,282,057.06

Finding the Fourth Proportional to 90,930,463.65, 136,481,926.73 and 56,282,057.06

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Solution

The fourth proportional to 90,930,463.65, 136,481,926.73 and 56,282,057.06 is: 84,476,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,463.65 : 136,481,926.73 = 56,282,057.06 : x
  2. Step 2: Convert to fraction form
    90,930,463.65/136,481,926.73 = 56,282,057.06/x
  3. Step 3: Cross multiply
    90,930,463.65x = 136,481,926.73 × 56,282,057.06
  4. Step 4: Simplify right side
    90,930,463.65x = 7,681,483,586,912,779
  5. Step 5: Solve for x
    x = 7,681,483,586,912,779/90,930,463.65
  6. Step 6: Final answer
    x = 84,476,459.03

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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.