Home / 51,496,501.74-77,232,778.17-19,163,631.30

Finding the Fourth Proportional to 51,496,501.74, 77,232,778.17 and 19,163,631.30

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Solution

The fourth proportional to 51,496,501.74, 77,232,778.17 and 19,163,631.30 is: 28,740,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,496,501.74 : 77,232,778.17 = 19,163,631.30 : x
  2. Step 2: Convert to fraction form
    51,496,501.74/77,232,778.17 = 19,163,631.30/x
  3. Step 3: Cross multiply
    51,496,501.74x = 77,232,778.17 × 19,163,631.30
  4. Step 4: Simplify right side
    51,496,501.74x = 1,480,060,485,124,568.75
  5. Step 5: Solve for x
    x = 1,480,060,485,124,568.75/51,496,501.74
  6. Step 6: Final answer
    x = 28,740,990.85

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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.