Home / 168,399,264.40-252,598,896.60-77,700,000.40

Finding the Fourth Proportional to 168,399,264.40, 252,598,896.60 and 77,700,000.40

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Solution

The fourth proportional to 168,399,264.40, 252,598,896.60 and 77,700,000.40 is: 116,550,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399,264.40 : 252,598,896.60 = 77,700,000.40 : x
  2. Step 2: Convert to fraction form
    168,399,264.40/252,598,896.60 = 77,700,000.40/x
  3. Step 3: Cross multiply
    168,399,264.40x = 252,598,896.60 × 77,700,000.40
  4. Step 4: Simplify right side
    168,399,264.40x = 19,626,934,366,859,560
  5. Step 5: Solve for x
    x = 19,626,934,366,859,560/168,399,264.40
  6. Step 6: Final answer
    x = 116,550,000.60

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1.5x scale

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.