Home / 72,046,750.73-99,423,329.12-39,006,735.71

Finding the Fourth Proportional to 72,046,750.73, 99,423,329.12 and 39,006,735.71

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Solution

The fourth proportional to 72,046,750.73, 99,423,329.12 and 39,006,735.71 is: 53,828,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,750.73 : 99,423,329.12 = 39,006,735.71 : x
  2. Step 2: Convert to fraction form
    72,046,750.73/99,423,329.12 = 39,006,735.71/x
  3. Step 3: Cross multiply
    72,046,750.73x = 99,423,329.12 × 39,006,735.71
  4. Step 4: Simplify right side
    72,046,750.73x = 3,878,179,522,197,153
  5. Step 5: Solve for x
    x = 3,878,179,522,197,153/72,046,750.73
  6. Step 6: Final answer
    x = 53,828,652.69

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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.