Home / 261,455,074.88-360,796,364.74-149,865,917.20

Finding the Fourth Proportional to 261,455,074.88, 360,796,364.74 and 149,865,917.20

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Solution

The fourth proportional to 261,455,074.88, 360,796,364.74 and 149,865,917.20 is: 206,808,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,455,074.88 : 360,796,364.74 = 149,865,917.20 : x
  2. Step 2: Convert to fraction form
    261,455,074.88/360,796,364.74 = 149,865,917.20/x
  3. Step 3: Cross multiply
    261,455,074.88x = 360,796,364.74 × 149,865,917.20
  4. Step 4: Simplify right side
    261,455,074.88x = 54,071,078,124,185,840
  5. Step 5: Solve for x
    x = 54,071,078,124,185,840/261,455,074.88
  6. Step 6: Final answer
    x = 206,808,294.50

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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.