Home / 153,542,925.53-211,889,221.58-83,928,584.42

Finding the Fourth Proportional to 153,542,925.53, 211,889,221.58 and 83,928,584.42

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Solution

The fourth proportional to 153,542,925.53, 211,889,221.58 and 83,928,584.42 is: 115,821,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,542,925.53 : 211,889,221.58 = 83,928,584.42 : x
  2. Step 2: Convert to fraction form
    153,542,925.53/211,889,221.58 = 83,928,584.42/x
  3. Step 3: Cross multiply
    153,542,925.53x = 211,889,221.58 × 83,928,584.42
  4. Step 4: Simplify right side
    153,542,925.53x = 17,783,562,421,065,118
  5. Step 5: Solve for x
    x = 17,783,562,421,065,118/153,542,925.53
  6. Step 6: Final answer
    x = 115,821,437.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.