Home / 107,143,531.83-147,889,541.21-69,979,493.61

Finding the Fourth Proportional to 107,143,531.83, 147,889,541.21 and 69,979,493.61

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Solution

The fourth proportional to 107,143,531.83, 147,889,541.21 and 69,979,493.61 is: 96,592,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143,531.83 : 147,889,541.21 = 69,979,493.61 : x
  2. Step 2: Convert to fraction form
    107,143,531.83/147,889,541.21 = 69,979,493.61/x
  3. Step 3: Cross multiply
    107,143,531.83x = 147,889,541.21 × 69,979,493.61
  4. Step 4: Simplify right side
    107,143,531.83x = 10,349,235,203,741,130
  5. Step 5: Solve for x
    x = 10,349,235,203,741,130/107,143,531.83
  6. Step 6: Final answer
    x = 96,592,253.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.