Home / 91,213,408-125,870,816.64-54,564,232.96

Finding the Fourth Proportional to 91,213,408, 125,870,816.64 and 54,564,232.96

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Solution

The fourth proportional to 91,213,408, 125,870,816.64 and 54,564,232.96 is: 75,296,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,213,408 : 125,870,816.64 = 54,564,232.96 : x
  2. Step 2: Convert to fraction form
    91,213,408/125,870,816.64 = 54,564,232.96/x
  3. Step 3: Cross multiply
    91,213,408x = 125,870,816.64 × 54,564,232.96
  4. Step 4: Simplify right side
    91,213,408x = 6,868,044,562,010,405
  5. Step 5: Solve for x
    x = 6,868,044,562,010,405/91,213,408
  6. Step 6: Final answer
    x = 75,296,436.27

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1.5x scale

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.