Home / 89,363,403.20-134,045,104.80-31,857,550.40

Finding the Fourth Proportional to 89,363,403.20, 134,045,104.80 and 31,857,550.40

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Solution

The fourth proportional to 89,363,403.20, 134,045,104.80 and 31,857,550.40 is: 47,786,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,363,403.20 : 134,045,104.80 = 31,857,550.40 : x
  2. Step 2: Convert to fraction form
    89,363,403.20/134,045,104.80 = 31,857,550.40/x
  3. Step 3: Cross multiply
    89,363,403.20x = 134,045,104.80 × 31,857,550.40
  4. Step 4: Simplify right side
    89,363,403.20x = 4,270,348,682,039,281.50
  5. Step 5: Solve for x
    x = 4,270,348,682,039,281.50/89,363,403.20
  6. Step 6: Final answer
    x = 47,786,325.60

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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.