Home / 52,419,637.20-78,629,455.80-43,461,685.20

Finding the Fourth Proportional to 52,419,637.20, 78,629,455.80 and 43,461,685.20

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Solution

The fourth proportional to 52,419,637.20, 78,629,455.80 and 43,461,685.20 is: 65,192,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419,637.20 : 78,629,455.80 = 43,461,685.20 : x
  2. Step 2: Convert to fraction form
    52,419,637.20/78,629,455.80 = 43,461,685.20/x
  3. Step 3: Cross multiply
    52,419,637.20x = 78,629,455.80 × 43,461,685.20
  4. Step 4: Simplify right side
    52,419,637.20x = 3,417,368,655,426,914.50
  5. Step 5: Solve for x
    x = 3,417,368,655,426,914.50/52,419,637.20
  6. Step 6: Final answer
    x = 65,192,527.80

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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.