Home / 278,460,664.06-384,253,223.02-160,993,565.72

Finding the Fourth Proportional to 278,460,664.06, 384,253,223.02 and 160,993,565.72

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Solution

The fourth proportional to 278,460,664.06, 384,253,223.02 and 160,993,565.72 is: 222,158,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,460,664.06 : 384,253,223.02 = 160,993,565.72 : x
  2. Step 2: Convert to fraction form
    278,460,664.06/384,253,223.02 = 160,993,565.72/x
  3. Step 3: Cross multiply
    278,460,664.06x = 384,253,223.02 × 160,993,565.72
  4. Step 4: Simplify right side
    278,460,664.06x = 61,862,296,513,392,184
  5. Step 5: Solve for x
    x = 61,862,296,513,392,184/278,460,664.06
  6. Step 6: Final answer
    x = 222,158,116.02

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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.