Home / 55,851,050.80-83,776,576.20-38,632,362.40

Finding the Fourth Proportional to 55,851,050.80, 83,776,576.20 and 38,632,362.40

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Solution

The fourth proportional to 55,851,050.80, 83,776,576.20 and 38,632,362.40 is: 57,948,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851,050.80 : 83,776,576.20 = 38,632,362.40 : x
  2. Step 2: Convert to fraction form
    55,851,050.80/83,776,576.20 = 38,632,362.40/x
  3. Step 3: Cross multiply
    55,851,050.80x = 83,776,576.20 × 38,632,362.40
  4. Step 4: Simplify right side
    55,851,050.80x = 3,236,487,052,389,615
  5. Step 5: Solve for x
    x = 3,236,487,052,389,615/55,851,050.80
  6. Step 6: Final answer
    x = 57,948,543.60

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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.