Home / 90,502,981.20-135,754,471.80-22,345,672.95

Finding the Fourth Proportional to 90,502,981.20, 135,754,471.80 and 22,345,672.95

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Solution

The fourth proportional to 90,502,981.20, 135,754,471.80 and 22,345,672.95 is: 33,518,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502,981.20 : 135,754,471.80 = 22,345,672.95 : x
  2. Step 2: Convert to fraction form
    90,502,981.20/135,754,471.80 = 22,345,672.95/x
  3. Step 3: Cross multiply
    90,502,981.20x = 135,754,471.80 × 22,345,672.95
  4. Step 4: Simplify right side
    90,502,981.20x = 3,033,525,028,342,798
  5. Step 5: Solve for x
    x = 3,033,525,028,342,798/90,502,981.20
  6. Step 6: Final answer
    x = 33,518,509.43

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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.