Home / 79,012,160.37-118,282,108.38-47,793,339.87

Finding the Fourth Proportional to 79,012,160.37, 118,282,108.38 and 47,793,339.87

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Solution

The fourth proportional to 79,012,160.37, 118,282,108.38 and 47,793,339.87 is: 71,547,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012,160.37 : 118,282,108.38 = 47,793,339.87 : x
  2. Step 2: Convert to fraction form
    79,012,160.37/118,282,108.38 = 47,793,339.87/x
  3. Step 3: Cross multiply
    79,012,160.37x = 118,282,108.38 × 47,793,339.87
  4. Step 4: Simplify right side
    79,012,160.37x = 5,653,097,006,345,515
  5. Step 5: Solve for x
    x = 5,653,097,006,345,515/79,012,160.37
  6. Step 6: Final answer
    x = 71,547,176.79

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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.