Home / 51,148,385.11-76,771,082.75-31,658,656.40

Finding the Fourth Proportional to 51,148,385.11, 76,771,082.75 and 31,658,656.40

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Solution

The fourth proportional to 51,148,385.11, 76,771,082.75 and 31,658,656.40 is: 47,518,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148,385.11 : 76,771,082.75 = 31,658,656.40 : x
  2. Step 2: Convert to fraction form
    51,148,385.11/76,771,082.75 = 31,658,656.40/x
  3. Step 3: Cross multiply
    51,148,385.11x = 76,771,082.75 × 31,658,656.40
  4. Step 4: Simplify right side
    51,148,385.11x = 2,430,469,330,079,924
  5. Step 5: Solve for x
    x = 2,430,469,330,079,924/51,148,385.11
  6. Step 6: Final answer
    x = 47,518,007.16

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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.