Home / 75,656,419.80-113,484,629.70-52,564,810.20

Finding the Fourth Proportional to 75,656,419.80, 113,484,629.70 and 52,564,810.20

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Solution

The fourth proportional to 75,656,419.80, 113,484,629.70 and 52,564,810.20 is: 78,847,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656,419.80 : 113,484,629.70 = 52,564,810.20 : x
  2. Step 2: Convert to fraction form
    75,656,419.80/113,484,629.70 = 52,564,810.20/x
  3. Step 3: Cross multiply
    75,656,419.80x = 113,484,629.70 × 52,564,810.20
  4. Step 4: Simplify right side
    75,656,419.80x = 5,965,298,020,797,783
  5. Step 5: Solve for x
    x = 5,965,298,020,797,783/75,656,419.80
  6. Step 6: Final answer
    x = 78,847,215.30

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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.