Home / 91,050,580.88-125,653,072.20-51,898,265.36

Finding the Fourth Proportional to 91,050,580.88, 125,653,072.20 and 51,898,265.36

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Solution

The fourth proportional to 91,050,580.88, 125,653,072.20 and 51,898,265.36 is: 71,621,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,050,580.88 : 125,653,072.20 = 51,898,265.36 : x
  2. Step 2: Convert to fraction form
    91,050,580.88/125,653,072.20 = 51,898,265.36/x
  3. Step 3: Cross multiply
    91,050,580.88x = 125,653,072.20 × 51,898,265.36
  4. Step 4: Simplify right side
    91,050,580.88x = 6,521,176,484,334,839
  5. Step 5: Solve for x
    x = 6,521,176,484,334,839/91,050,580.88
  6. Step 6: Final answer
    x = 71,621,470.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.