Home / 47,155,136.40-70,770,029.40-18,415,040.40

Finding the Fourth Proportional to 47,155,136.40, 70,770,029.40 and 18,415,040.40

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Solution

The fourth proportional to 47,155,136.40, 70,770,029.40 and 18,415,040.40 is: 27,637,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155,136.40 : 70,770,029.40 = 18,415,040.40 : x
  2. Step 2: Convert to fraction form
    47,155,136.40/70,770,029.40 = 18,415,040.40/x
  3. Step 3: Cross multiply
    47,155,136.40x = 70,770,029.40 × 18,415,040.40
  4. Step 4: Simplify right side
    47,155,136.40x = 1,303,232,950,510,187.75
  5. Step 5: Solve for x
    x = 1,303,232,950,510,187.75/47,155,136.40
  6. Step 6: Final answer
    x = 27,637,136.69

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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.