Home / 78,595,493.64-108,388,211.86-62,114,989.52

Finding the Fourth Proportional to 78,595,493.64, 108,388,211.86 and 62,114,989.52

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Solution

The fourth proportional to 78,595,493.64, 108,388,211.86 and 62,114,989.52 is: 85,660,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595,493.64 : 108,388,211.86 = 62,114,989.52 : x
  2. Step 2: Convert to fraction form
    78,595,493.64/108,388,211.86 = 62,114,989.52/x
  3. Step 3: Cross multiply
    78,595,493.64x = 108,388,211.86 × 62,114,989.52
  4. Step 4: Simplify right side
    78,595,493.64x = 6,732,532,643,775,440
  5. Step 5: Solve for x
    x = 6,732,532,643,775,440/78,595,493.64
  6. Step 6: Final answer
    x = 85,660,542.76

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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.