Home / 89,911,540.08-124,078,078.80-48,658,464.72

Finding the Fourth Proportional to 89,911,540.08, 124,078,078.80 and 48,658,464.72

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Solution

The fourth proportional to 89,911,540.08, 124,078,078.80 and 48,658,464.72 is: 67,148,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,911,540.08 : 124,078,078.80 = 48,658,464.72 : x
  2. Step 2: Convert to fraction form
    89,911,540.08/124,078,078.80 = 48,658,464.72/x
  3. Step 3: Cross multiply
    89,911,540.08x = 124,078,078.80 × 48,658,464.72
  4. Step 4: Simplify right side
    89,911,540.08x = 6,037,448,819,815,180
  5. Step 5: Solve for x
    x = 6,037,448,819,815,180/89,911,540.08
  6. Step 6: Final answer
    x = 67,148,764.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.