Home / 52,457,695.20-78,686,542.80-37,152,194.40

Finding the Fourth Proportional to 52,457,695.20, 78,686,542.80 and 37,152,194.40

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Solution

The fourth proportional to 52,457,695.20, 78,686,542.80 and 37,152,194.40 is: 55,728,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457,695.20 : 78,686,542.80 = 37,152,194.40 : x
  2. Step 2: Convert to fraction form
    52,457,695.20/78,686,542.80 = 37,152,194.40/x
  3. Step 3: Cross multiply
    52,457,695.20x = 78,686,542.80 × 37,152,194.40
  4. Step 4: Simplify right side
    52,457,695.20x = 2,923,377,734,769,520
  5. Step 5: Solve for x
    x = 2,923,377,734,769,520/52,457,695.20
  6. Step 6: Final answer
    x = 55,728,291.60

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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.