Home / 259,584,013.70-389,376,020.55-157,463,360.90

Finding the Fourth Proportional to 259,584,013.70, 389,376,020.55 and 157,463,360.90

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Solution

The fourth proportional to 259,584,013.70, 389,376,020.55 and 157,463,360.90 is: 236,195,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,584,013.70 : 389,376,020.55 = 157,463,360.90 : x
  2. Step 2: Convert to fraction form
    259,584,013.70/389,376,020.55 = 157,463,360.90/x
  3. Step 3: Cross multiply
    259,584,013.70x = 389,376,020.55 × 157,463,360.90
  4. Step 4: Simplify right side
    259,584,013.70x = 61,312,456,849,670,472
  5. Step 5: Solve for x
    x = 61,312,456,849,670,472/259,584,013.70
  6. Step 6: Final answer
    x = 236,195,041.35

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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.