Home / 259,938,252.30-390,056,677.65-98,496,050.70

Finding the Fourth Proportional to 259,938,252.30, 390,056,677.65 and 98,496,050.70

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Solution

The fourth proportional to 259,938,252.30, 390,056,677.65 and 98,496,050.70 is: 147,800,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,938,252.30 : 390,056,677.65 = 98,496,050.70 : x
  2. Step 2: Convert to fraction form
    259,938,252.30/390,056,677.65 = 98,496,050.70/x
  3. Step 3: Cross multiply
    259,938,252.30x = 390,056,677.65 × 98,496,050.70
  4. Step 4: Simplify right side
    259,938,252.30x = 38,419,042,297,687,952
  5. Step 5: Solve for x
    x = 38,419,042,297,687,952/259,938,252.30
  6. Step 6: Final answer
    x = 147,800,648.65

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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.