Home / 74,735,426.40-112,103,139.60-40,298,049.60

Finding the Fourth Proportional to 74,735,426.40, 112,103,139.60 and 40,298,049.60

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Solution

The fourth proportional to 74,735,426.40, 112,103,139.60 and 40,298,049.60 is: 60,447,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,735,426.40 : 112,103,139.60 = 40,298,049.60 : x
  2. Step 2: Convert to fraction form
    74,735,426.40/112,103,139.60 = 40,298,049.60/x
  3. Step 3: Cross multiply
    74,735,426.40x = 112,103,139.60 × 40,298,049.60
  4. Step 4: Simplify right side
    74,735,426.40x = 4,517,537,879,916,524
  5. Step 5: Solve for x
    x = 4,517,537,879,916,524/74,735,426.40
  6. Step 6: Final answer
    x = 60,447,074.40

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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.