Home / 260,064,906.46-390,037,665.26-155,049,964.18

Finding the Fourth Proportional to 260,064,906.46, 390,037,665.26 and 155,049,964.18

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Solution

The fourth proportional to 260,064,906.46, 390,037,665.26 and 155,049,964.18 is: 232,539,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064,906.46 : 390,037,665.26 = 155,049,964.18 : x
  2. Step 2: Convert to fraction form
    260,064,906.46/390,037,665.26 = 155,049,964.18/x
  3. Step 3: Cross multiply
    260,064,906.46x = 390,037,665.26 × 155,049,964.18
  4. Step 4: Simplify right side
    260,064,906.46x = 60,475,326,026,826,360
  5. Step 5: Solve for x
    x = 60,475,326,026,826,360/260,064,906.46
  6. Step 6: Final answer
    x = 232,539,356.62

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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.