Home / 125,639,803.20-188,319,736.80-48,937,339.20

Finding the Fourth Proportional to 125,639,803.20, 188,319,736.80 and 48,937,339.20

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Solution

The fourth proportional to 125,639,803.20, 188,319,736.80 and 48,937,339.20 is: 73,351,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639,803.20 : 188,319,736.80 = 48,937,339.20 : x
  2. Step 2: Convert to fraction form
    125,639,803.20/188,319,736.80 = 48,937,339.20/x
  3. Step 3: Cross multiply
    125,639,803.20x = 188,319,736.80 × 48,937,339.20
  4. Step 4: Simplify right side
    125,639,803.20x = 9,215,866,837,836,324
  5. Step 5: Solve for x
    x = 9,215,866,837,836,324/125,639,803.20
  6. Step 6: Final answer
    x = 73,351,490.56

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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.