Home / 77,952,481.28-116,875,576.32-39,539,925.44

Finding the Fourth Proportional to 77,952,481.28, 116,875,576.32 and 39,539,925.44

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Solution

The fourth proportional to 77,952,481.28, 116,875,576.32 and 39,539,925.44 is: 59,282,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952,481.28 : 116,875,576.32 = 39,539,925.44 : x
  2. Step 2: Convert to fraction form
    77,952,481.28/116,875,576.32 = 39,539,925.44/x
  3. Step 3: Cross multiply
    77,952,481.28x = 116,875,576.32 × 39,539,925.44
  4. Step 4: Simplify right side
    77,952,481.28x = 4,621,251,573,449,829
  5. Step 5: Solve for x
    x = 4,621,251,573,449,829/77,952,481.28
  6. Step 6: Final answer
    x = 59,282,931.06

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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.