Home / 58,471,801.20-87,707,701.80-40,331,948.40

Finding the Fourth Proportional to 58,471,801.20, 87,707,701.80 and 40,331,948.40

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Solution

The fourth proportional to 58,471,801.20, 87,707,701.80 and 40,331,948.40 is: 60,497,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,471,801.20 : 87,707,701.80 = 40,331,948.40 : x
  2. Step 2: Convert to fraction form
    58,471,801.20/87,707,701.80 = 40,331,948.40/x
  3. Step 3: Cross multiply
    58,471,801.20x = 87,707,701.80 × 40,331,948.40
  4. Step 4: Simplify right side
    58,471,801.20x = 3,537,422,503,280,187
  5. Step 5: Solve for x
    x = 3,537,422,503,280,187/58,471,801.20
  6. Step 6: Final answer
    x = 60,497,922.60

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1.5x scale

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.