Home / 293,755,482.40-440,741,698.80-121,247,255.20

Finding the Fourth Proportional to 293,755,482.40, 440,741,698.80 and 121,247,255.20

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Solution

The fourth proportional to 293,755,482.40, 440,741,698.80 and 121,247,255.20 is: 181,915,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,755,482.40 : 440,741,698.80 = 121,247,255.20 : x
  2. Step 2: Convert to fraction form
    293,755,482.40/440,741,698.80 = 121,247,255.20/x
  3. Step 3: Cross multiply
    293,755,482.40x = 440,741,698.80 × 121,247,255.20
  4. Step 4: Simplify right side
    293,755,482.40x = 53,438,721,231,685,136
  5. Step 5: Solve for x
    x = 53,438,721,231,685,136/293,755,482.40
  6. Step 6: Final answer
    x = 181,915,655.82

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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.