Home / 261,648,653.76-361,058,873.10-144,167,409.63

Finding the Fourth Proportional to 261,648,653.76, 361,058,873.10 and 144,167,409.63

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Solution

The fourth proportional to 261,648,653.76, 361,058,873.10 and 144,167,409.63 is: 198,942,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,648,653.76 : 361,058,873.10 = 144,167,409.63 : x
  2. Step 2: Convert to fraction form
    261,648,653.76/361,058,873.10 = 144,167,409.63/x
  3. Step 3: Cross multiply
    261,648,653.76x = 361,058,873.10 × 144,167,409.63
  4. Step 4: Simplify right side
    261,648,653.76x = 52,052,922,458,753,888
  5. Step 5: Solve for x
    x = 52,052,922,458,753,888/261,648,653.76
  6. Step 6: Final answer
    x = 198,942,061.08

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1.5x scale

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.