Home / 259,938,262.80-390,056,693.40-98,496,061.20

Finding the Fourth Proportional to 259,938,262.80, 390,056,693.40 and 98,496,061.20

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Solution

The fourth proportional to 259,938,262.80, 390,056,693.40 and 98,496,061.20 is: 147,800,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,938,262.80 : 390,056,693.40 = 98,496,061.20 : x
  2. Step 2: Convert to fraction form
    259,938,262.80/390,056,693.40 = 98,496,061.20/x
  3. Step 3: Cross multiply
    259,938,262.80x = 390,056,693.40 × 98,496,061.20
  4. Step 4: Simplify right side
    259,938,262.80x = 38,419,047,944,596,032
  5. Step 5: Solve for x
    x = 38,419,047,944,596,032/259,938,262.80
  6. Step 6: Final answer
    x = 147,800,664.40

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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.