Home / 52,462,479.50-78,529,957.26-38,645,013.50

Finding the Fourth Proportional to 52,462,479.50, 78,529,957.26 and 38,645,013.50

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Solution

The fourth proportional to 52,462,479.50, 78,529,957.26 and 38,645,013.50 is: 57,846,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462,479.50 : 78,529,957.26 = 38,645,013.50 : x
  2. Step 2: Convert to fraction form
    52,462,479.50/78,529,957.26 = 38,645,013.50/x
  3. Step 3: Cross multiply
    52,462,479.50x = 78,529,957.26 × 38,645,013.50
  4. Step 4: Simplify right side
    52,462,479.50x = 3,034,791,258,467,123
  5. Step 5: Solve for x
    x = 3,034,791,258,467,123/52,462,479.50
  6. Step 6: Final answer
    x = 57,846,889.57

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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.