Home / 91,409,381.51-137,124,472.66-33,144,501.51

Finding the Fourth Proportional to 91,409,381.51, 137,124,472.66 and 33,144,501.51

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Solution

The fourth proportional to 91,409,381.51, 137,124,472.66 and 33,144,501.51 is: 49,720,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,409,381.51 : 137,124,472.66 = 33,144,501.51 : x
  2. Step 2: Convert to fraction form
    91,409,381.51/137,124,472.66 = 33,144,501.51/x
  3. Step 3: Cross multiply
    91,409,381.51x = 137,124,472.66 × 33,144,501.51
  4. Step 4: Simplify right side
    91,409,381.51x = 4,544,922,291,054,463
  5. Step 5: Solve for x
    x = 4,544,922,291,054,463/91,409,381.51
  6. Step 6: Final answer
    x = 49,720,523.39

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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.