Home / 60,122,743.44-90,200,386.44-42,872,737.20

Finding the Fourth Proportional to 60,122,743.44, 90,200,386.44 and 42,872,737.20

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Solution

The fourth proportional to 60,122,743.44, 90,200,386.44 and 42,872,737.20 is: 64,320,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,122,743.44 : 90,200,386.44 = 42,872,737.20 : x
  2. Step 2: Convert to fraction form
    60,122,743.44/90,200,386.44 = 42,872,737.20/x
  3. Step 3: Cross multiply
    60,122,743.44x = 90,200,386.44 × 42,872,737.20
  4. Step 4: Simplify right side
    60,122,743.44x = 3,867,137,463,180,563.50
  5. Step 5: Solve for x
    x = 3,867,137,463,180,563.50/60,122,743.44
  6. Step 6: Final answer
    x = 64,320,708.64

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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.