Home / 51,521,468.70-77,282,203.05-31,366,076.70

Finding the Fourth Proportional to 51,521,468.70, 77,282,203.05 and 31,366,076.70

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Solution

The fourth proportional to 51,521,468.70, 77,282,203.05 and 31,366,076.70 is: 47,049,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521,468.70 : 77,282,203.05 = 31,366,076.70 : x
  2. Step 2: Convert to fraction form
    51,521,468.70/77,282,203.05 = 31,366,076.70/x
  3. Step 3: Cross multiply
    51,521,468.70x = 77,282,203.05 × 31,366,076.70
  4. Step 4: Simplify right side
    51,521,468.70x = 2,424,039,508,411,274
  5. Step 5: Solve for x
    x = 2,424,039,508,411,274/51,521,468.70
  6. Step 6: Final answer
    x = 47,049,115.05

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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.