Home / 69,041,490.48-103,535,311.32-25,887,178.80

Finding the Fourth Proportional to 69,041,490.48, 103,535,311.32 and 25,887,178.80

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Solution

The fourth proportional to 69,041,490.48, 103,535,311.32 and 25,887,178.80 is: 38,820,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,041,490.48 : 103,535,311.32 = 25,887,178.80 : x
  2. Step 2: Convert to fraction form
    69,041,490.48/103,535,311.32 = 25,887,178.80/x
  3. Step 3: Cross multiply
    69,041,490.48x = 103,535,311.32 × 25,887,178.80
  4. Step 4: Simplify right side
    69,041,490.48x = 2,680,237,116,254,504
  5. Step 5: Solve for x
    x = 2,680,237,116,254,504/69,041,490.48
  6. Step 6: Final answer
    x = 38,820,672.87

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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.