Home / 293,512,007.20-440,268,010.80-120,931,463.20

Finding the Fourth Proportional to 293,512,007.20, 440,268,010.80 and 120,931,463.20

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Solution

The fourth proportional to 293,512,007.20, 440,268,010.80 and 120,931,463.20 is: 181,397,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,512,007.20 : 440,268,010.80 = 120,931,463.20 : x
  2. Step 2: Convert to fraction form
    293,512,007.20/440,268,010.80 = 120,931,463.20/x
  3. Step 3: Cross multiply
    293,512,007.20x = 440,268,010.80 × 120,931,463.20
  4. Step 4: Simplify right side
    293,512,007.20x = 53,242,254,746,197,408
  5. Step 5: Solve for x
    x = 53,242,254,746,197,408/293,512,007.20
  6. Step 6: Final answer
    x = 181,397,194.80

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1.5x scale

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.