Home / 59,689,811.20-89,534,716.80-54,986,886.40

Finding the Fourth Proportional to 59,689,811.20, 89,534,716.80 and 54,986,886.40

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Solution

The fourth proportional to 59,689,811.20, 89,534,716.80 and 54,986,886.40 is: 82,480,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,689,811.20 : 89,534,716.80 = 54,986,886.40 : x
  2. Step 2: Convert to fraction form
    59,689,811.20/89,534,716.80 = 54,986,886.40/x
  3. Step 3: Cross multiply
    59,689,811.20x = 89,534,716.80 × 54,986,886.40
  4. Step 4: Simplify right side
    59,689,811.20x = 4,923,235,301,537,771
  5. Step 5: Solve for x
    x = 4,923,235,301,537,771/59,689,811.20
  6. Step 6: Final answer
    x = 82,480,329.60

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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.