Home / 265,853,003.40-398,779,505.10-144,920,651.40

Finding the Fourth Proportional to 265,853,003.40, 398,779,505.10 and 144,920,651.40

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Solution

The fourth proportional to 265,853,003.40, 398,779,505.10 and 144,920,651.40 is: 217,380,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,853,003.40 : 398,779,505.10 = 144,920,651.40 : x
  2. Step 2: Convert to fraction form
    265,853,003.40/398,779,505.10 = 144,920,651.40/x
  3. Step 3: Cross multiply
    265,853,003.40x = 398,779,505.10 × 144,920,651.40
  4. Step 4: Simplify right side
    265,853,003.40x = 57,791,385,644,061,624
  5. Step 5: Solve for x
    x = 57,791,385,644,061,624/265,853,003.40
  6. Step 6: Final answer
    x = 217,380,977.10

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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.