Home / 259,938,749.80-390,057,423.90-98,496,548.20

Finding the Fourth Proportional to 259,938,749.80, 390,057,423.90 and 98,496,548.20

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Solution

The fourth proportional to 259,938,749.80, 390,057,423.90 and 98,496,548.20 is: 147,801,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,938,749.80 : 390,057,423.90 = 98,496,548.20 : x
  2. Step 2: Convert to fraction form
    259,938,749.80/390,057,423.90 = 98,496,548.20/x
  3. Step 3: Cross multiply
    259,938,749.80x = 390,057,423.90 × 98,496,548.20
  4. Step 4: Simplify right side
    259,938,749.80x = 38,419,309,853,934,184
  5. Step 5: Solve for x
    x = 38,419,309,853,934,184/259,938,749.80
  6. Step 6: Final answer
    x = 147,801,395.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.