Home / 57,184,903.80-78,915,772.80-31,079,423.52

Finding the Fourth Proportional to 57,184,903.80, 78,915,772.80 and 31,079,423.52

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Solution

The fourth proportional to 57,184,903.80, 78,915,772.80 and 31,079,423.52 is: 42,889,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,184,903.80 : 78,915,772.80 = 31,079,423.52 : x
  2. Step 2: Convert to fraction form
    57,184,903.80/78,915,772.80 = 31,079,423.52/x
  3. Step 3: Cross multiply
    57,184,903.80x = 78,915,772.80 × 31,079,423.52
  4. Step 4: Simplify right side
    57,184,903.80x = 2,452,656,725,259,296
  5. Step 5: Solve for x
    x = 2,452,656,725,259,296/57,184,903.80
  6. Step 6: Final answer
    x = 42,889,933.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.