Home / 74,734,045.20-112,101,067.80-45,886,640.40

Finding the Fourth Proportional to 74,734,045.20, 112,101,067.80 and 45,886,640.40

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Solution

The fourth proportional to 74,734,045.20, 112,101,067.80 and 45,886,640.40 is: 68,829,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,045.20 : 112,101,067.80 = 45,886,640.40 : x
  2. Step 2: Convert to fraction form
    74,734,045.20/112,101,067.80 = 45,886,640.40/x
  3. Step 3: Cross multiply
    74,734,045.20x = 112,101,067.80 × 45,886,640.40
  4. Step 4: Simplify right side
    74,734,045.20x = 5,143,941,386,594,619
  5. Step 5: Solve for x
    x = 5,143,941,386,594,619/74,734,045.20
  6. Step 6: Final answer
    x = 68,829,960.60

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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.