Home / 338,754,209.93-507,835,367.52-131,349,727.16

Finding the Fourth Proportional to 338,754,209.93, 507,835,367.52 and 131,349,727.16

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Solution

The fourth proportional to 338,754,209.93, 507,835,367.52 and 131,349,727.16 is: 196,909,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,754,209.93 : 507,835,367.52 = 131,349,727.16 : x
  2. Step 2: Convert to fraction form
    338,754,209.93/507,835,367.52 = 131,349,727.16/x
  3. Step 3: Cross multiply
    338,754,209.93x = 507,835,367.52 × 131,349,727.16
  4. Step 4: Simplify right side
    338,754,209.93x = 66,704,036,965,950,320
  5. Step 5: Solve for x
    x = 66,704,036,965,950,320/338,754,209.93
  6. Step 6: Final answer
    x = 196,909,839.08

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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.