Home / 51,148,384.95-76,771,082.49-31,658,656.23

Finding the Fourth Proportional to 51,148,384.95, 76,771,082.49 and 31,658,656.23

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Solution

The fourth proportional to 51,148,384.95, 76,771,082.49 and 31,658,656.23 is: 47,518,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148,384.95 : 76,771,082.49 = 31,658,656.23 : x
  2. Step 2: Convert to fraction form
    51,148,384.95/76,771,082.49 = 31,658,656.23/x
  3. Step 3: Cross multiply
    51,148,384.95x = 76,771,082.49 × 31,658,656.23
  4. Step 4: Simplify right side
    51,148,384.95x = 2,430,469,308,413,734
  5. Step 5: Solve for x
    x = 2,430,469,308,413,734/51,148,384.95
  6. Step 6: Final answer
    x = 47,518,006.89

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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.