Home / 51,264,005.10-76,896,007.65-47,879,889.90

Finding the Fourth Proportional to 51,264,005.10, 76,896,007.65 and 47,879,889.90

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Solution

The fourth proportional to 51,264,005.10, 76,896,007.65 and 47,879,889.90 is: 71,819,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264,005.10 : 76,896,007.65 = 47,879,889.90 : x
  2. Step 2: Convert to fraction form
    51,264,005.10/76,896,007.65 = 47,879,889.90/x
  3. Step 3: Cross multiply
    51,264,005.10x = 76,896,007.65 × 47,879,889.90
  4. Step 4: Simplify right side
    51,264,005.10x = 3,681,772,380,031,558
  5. Step 5: Solve for x
    x = 3,681,772,380,031,558/51,264,005.10
  6. Step 6: Final answer
    x = 71,819,834.85

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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.