Home / 51,409,417.86-77,126,890.23-25,513,872.84

Finding the Fourth Proportional to 51,409,417.86, 77,126,890.23 and 25,513,872.84

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Solution

The fourth proportional to 51,409,417.86, 77,126,890.23 and 25,513,872.84 is: 38,277,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409,417.86 : 77,126,890.23 = 25,513,872.84 : x
  2. Step 2: Convert to fraction form
    51,409,417.86/77,126,890.23 = 25,513,872.84/x
  3. Step 3: Cross multiply
    51,409,417.86x = 77,126,890.23 × 25,513,872.84
  4. Step 4: Simplify right side
    51,409,417.86x = 1,967,805,669,872,858.50
  5. Step 5: Solve for x
    x = 1,967,805,669,872,858.50/51,409,417.86
  6. Step 6: Final answer
    x = 38,277,143.60

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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.