Home / 278,498,264.16-417,746,939.40-74,026,341.84

Finding the Fourth Proportional to 278,498,264.16, 417,746,939.40 and 74,026,341.84

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Solution

The fourth proportional to 278,498,264.16, 417,746,939.40 and 74,026,341.84 is: 111,039,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,498,264.16 : 417,746,939.40 = 74,026,341.84 : x
  2. Step 2: Convert to fraction form
    278,498,264.16/417,746,939.40 = 74,026,341.84/x
  3. Step 3: Cross multiply
    278,498,264.16x = 417,746,939.40 × 74,026,341.84
  4. Step 4: Simplify right side
    278,498,264.16x = 30,924,277,738,638,164
  5. Step 5: Solve for x
    x = 30,924,277,738,638,164/278,498,264.16
  6. Step 6: Final answer
    x = 111,039,391.33

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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.