Home / 109,077,145.20-163,615,717.80-99,032,910.30

Finding the Fourth Proportional to 109,077,145.20, 163,615,717.80 and 99,032,910.30

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Solution

The fourth proportional to 109,077,145.20, 163,615,717.80 and 99,032,910.30 is: 148,549,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,077,145.20 : 163,615,717.80 = 99,032,910.30 : x
  2. Step 2: Convert to fraction form
    109,077,145.20/163,615,717.80 = 99,032,910.30/x
  3. Step 3: Cross multiply
    109,077,145.20x = 163,615,717.80 × 99,032,910.30
  4. Step 4: Simplify right side
    109,077,145.20x = 16,203,340,704,557,514
  5. Step 5: Solve for x
    x = 16,203,340,704,557,514/109,077,145.20
  6. Step 6: Final answer
    x = 148,549,365.45

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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.