Home / 121,544,642.07-182,345,967.46-39,663,672.69

Finding the Fourth Proportional to 121,544,642.07, 182,345,967.46 and 39,663,672.69

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Solution

The fourth proportional to 121,544,642.07, 182,345,967.46 and 39,663,672.69 is: 59,504,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544,642.07 : 182,345,967.46 = 39,663,672.69 : x
  2. Step 2: Convert to fraction form
    121,544,642.07/182,345,967.46 = 39,663,672.69/x
  3. Step 3: Cross multiply
    121,544,642.07x = 182,345,967.46 × 39,663,672.69
  4. Step 4: Simplify right side
    121,544,642.07x = 7,232,510,769,674,831
  5. Step 5: Solve for x
    x = 7,232,510,769,674,831/121,544,642.07
  6. Step 6: Final answer
    x = 59,504,974.03

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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.