Home / 245,332,689.54-368,002,239.73-81,570,446.15

Finding the Fourth Proportional to 245,332,689.54, 368,002,239.73 and 81,570,446.15

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Solution

The fourth proportional to 245,332,689.54, 368,002,239.73 and 81,570,446.15 is: 122,356,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,689.54 : 368,002,239.73 = 81,570,446.15 : x
  2. Step 2: Convert to fraction form
    245,332,689.54/368,002,239.73 = 81,570,446.15/x
  3. Step 3: Cross multiply
    245,332,689.54x = 368,002,239.73 × 81,570,446.15
  4. Step 4: Simplify right side
    245,332,689.54x = 30,018,106,876,931,420
  5. Step 5: Solve for x
    x = 30,018,106,876,931,420/245,332,689.54
  6. Step 6: Final answer
    x = 122,356,734.99

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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.