Home / 320,412,314.88-442,177,689.02-181,203,894

Finding the Fourth Proportional to 320,412,314.88, 442,177,689.02 and 181,203,894

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Solution

The fourth proportional to 320,412,314.88, 442,177,689.02 and 181,203,894 is: 250,066,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,412,314.88 : 442,177,689.02 = 181,203,894 : x
  2. Step 2: Convert to fraction form
    320,412,314.88/442,177,689.02 = 181,203,894/x
  3. Step 3: Cross multiply
    320,412,314.88x = 442,177,689.02 × 181,203,894
  4. Step 4: Simplify right side
    320,412,314.88x = 80,124,319,089,439,024
  5. Step 5: Solve for x
    x = 80,124,319,089,439,024/320,412,314.88
  6. Step 6: Final answer
    x = 250,066,290.74

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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.