Home / 121,338,019.40-182,007,029.10-53,313,571.40

Finding the Fourth Proportional to 121,338,019.40, 182,007,029.10 and 53,313,571.40

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Solution

The fourth proportional to 121,338,019.40, 182,007,029.10 and 53,313,571.40 is: 79,970,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,338,019.40 : 182,007,029.10 = 53,313,571.40 : x
  2. Step 2: Convert to fraction form
    121,338,019.40/182,007,029.10 = 53,313,571.40/x
  3. Step 3: Cross multiply
    121,338,019.40x = 182,007,029.10 × 53,313,571.40
  4. Step 4: Simplify right side
    121,338,019.40x = 9,703,444,741,224,728
  5. Step 5: Solve for x
    x = 9,703,444,741,224,728/121,338,019.40
  6. Step 6: Final answer
    x = 79,970,357.10

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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.