Home / 103,437,043.71-155,178,271.49-30,659,437.95

Finding the Fourth Proportional to 103,437,043.71, 155,178,271.49 and 30,659,437.95

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Solution

The fourth proportional to 103,437,043.71, 155,178,271.49 and 30,659,437.95 is: 45,995,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437,043.71 : 155,178,271.49 = 30,659,437.95 : x
  2. Step 2: Convert to fraction form
    103,437,043.71/155,178,271.49 = 30,659,437.95/x
  3. Step 3: Cross multiply
    103,437,043.71x = 155,178,271.49 × 30,659,437.95
  4. Step 4: Simplify right side
    103,437,043.71x = 4,757,678,585,782,612
  5. Step 5: Solve for x
    x = 4,757,678,585,782,612/103,437,043.71
  6. Step 6: Final answer
    x = 45,995,887.11

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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.