Home / 109,064,337.20-163,534,297.80-40,909,252.40

Finding the Fourth Proportional to 109,064,337.20, 163,534,297.80 and 40,909,252.40

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Solution

The fourth proportional to 109,064,337.20, 163,534,297.80 and 40,909,252.40 is: 61,340,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064,337.20 : 163,534,297.80 = 40,909,252.40 : x
  2. Step 2: Convert to fraction form
    109,064,337.20/163,534,297.80 = 40,909,252.40/x
  3. Step 3: Cross multiply
    109,064,337.20x = 163,534,297.80 × 40,909,252.40
  4. Step 4: Simplify right side
    109,064,337.20x = 6,690,065,864,756,965
  5. Step 5: Solve for x
    x = 6,690,065,864,756,965/109,064,337.20
  6. Step 6: Final answer
    x = 61,340,544.82

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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.