Home / 51,496,500.74-77,232,776.67-19,163,630.30

Finding the Fourth Proportional to 51,496,500.74, 77,232,776.67 and 19,163,630.30

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Solution

The fourth proportional to 51,496,500.74, 77,232,776.67 and 19,163,630.30 is: 28,740,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,496,500.74 : 77,232,776.67 = 19,163,630.30 : x
  2. Step 2: Convert to fraction form
    51,496,500.74/77,232,776.67 = 19,163,630.30/x
  3. Step 3: Cross multiply
    51,496,500.74x = 77,232,776.67 × 19,163,630.30
  4. Step 4: Simplify right side
    51,496,500.74x = 1,480,060,378,760,181.50
  5. Step 5: Solve for x
    x = 1,480,060,378,760,181.50/51,496,500.74
  6. Step 6: Final answer
    x = 28,740,989.34

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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.