Home / 66,054,107.52-91,149,334.86-38,178,623.50

Finding the Fourth Proportional to 66,054,107.52, 91,149,334.86 and 38,178,623.50

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Solution

The fourth proportional to 66,054,107.52, 91,149,334.86 and 38,178,623.50 is: 52,683,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054,107.52 : 91,149,334.86 = 38,178,623.50 : x
  2. Step 2: Convert to fraction form
    66,054,107.52/91,149,334.86 = 38,178,623.50/x
  3. Step 3: Cross multiply
    66,054,107.52x = 91,149,334.86 × 38,178,623.50
  4. Step 4: Simplify right side
    66,054,107.52x = 3,479,956,137,895,365
  5. Step 5: Solve for x
    x = 3,479,956,137,895,365/66,054,107.52
  6. Step 6: Final answer
    x = 52,683,417.71

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Why These Related Problems?

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