Home / 168,399,218.40-252,598,827.60-77,699,954.40

Finding the Fourth Proportional to 168,399,218.40, 252,598,827.60 and 77,699,954.40

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Solution

The fourth proportional to 168,399,218.40, 252,598,827.60 and 77,699,954.40 is: 116,549,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399,218.40 : 252,598,827.60 = 77,699,954.40 : x
  2. Step 2: Convert to fraction form
    168,399,218.40/252,598,827.60 = 77,699,954.40/x
  3. Step 3: Cross multiply
    168,399,218.40x = 252,598,827.60 × 77,699,954.40
  4. Step 4: Simplify right side
    168,399,218.40x = 19,626,917,386,013,464
  5. Step 5: Solve for x
    x = 19,626,917,386,013,464/168,399,218.40
  6. Step 6: Final answer
    x = 116,549,931.60

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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.