Home / 77,268,000.80-115,902,001.20-23,408,314.40

Finding the Fourth Proportional to 77,268,000.80, 115,902,001.20 and 23,408,314.40

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Solution

The fourth proportional to 77,268,000.80, 115,902,001.20 and 23,408,314.40 is: 35,112,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,268,000.80 : 115,902,001.20 = 23,408,314.40 : x
  2. Step 2: Convert to fraction form
    77,268,000.80/115,902,001.20 = 23,408,314.40/x
  3. Step 3: Cross multiply
    77,268,000.80x = 115,902,001.20 × 23,408,314.40
  4. Step 4: Simplify right side
    77,268,000.80x = 2,713,070,483,678,777
  5. Step 5: Solve for x
    x = 2,713,070,483,678,777/77,268,000.80
  6. Step 6: Final answer
    x = 35,112,471.60

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Similar ratio
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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.