Home / 145,782,571.98-218,728,931.46-87,530,867.27

Finding the Fourth Proportional to 145,782,571.98, 218,728,931.46 and 87,530,867.27

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Solution

The fourth proportional to 145,782,571.98, 218,728,931.46 and 87,530,867.27 is: 131,329,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,782,571.98 : 218,728,931.46 = 87,530,867.27 : x
  2. Step 2: Convert to fraction form
    145,782,571.98/218,728,931.46 = 87,530,867.27/x
  3. Step 3: Cross multiply
    145,782,571.98x = 218,728,931.46 × 87,530,867.27
  4. Step 4: Simplify right side
    145,782,571.98x = 19,145,533,067,132,536
  5. Step 5: Solve for x
    x = 19,145,533,067,132,536/145,782,571.98
  6. Step 6: Final answer
    x = 131,329,368.16

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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.