Home / 45,716,336.16-68,593,719.74-28,458,978.88

Finding the Fourth Proportional to 45,716,336.16, 68,593,719.74 and 28,458,978.88

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Solution

The fourth proportional to 45,716,336.16, 68,593,719.74 and 28,458,978.88 is: 42,700,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716,336.16 : 68,593,719.74 = 28,458,978.88 : x
  2. Step 2: Convert to fraction form
    45,716,336.16/68,593,719.74 = 28,458,978.88/x
  3. Step 3: Cross multiply
    45,716,336.16x = 68,593,719.74 × 28,458,978.88
  4. Step 4: Simplify right side
    45,716,336.16x = 1,952,107,221,381,298.75
  5. Step 5: Solve for x
    x = 1,952,107,221,381,298.75/45,716,336.16
  6. Step 6: Final answer
    x = 42,700,430.20

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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.