Home / 109,051,741.20-163,577,611.80-100,123,532.40

Finding the Fourth Proportional to 109,051,741.20, 163,577,611.80 and 100,123,532.40

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Solution

The fourth proportional to 109,051,741.20, 163,577,611.80 and 100,123,532.40 is: 150,185,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051,741.20 : 163,577,611.80 = 100,123,532.40 : x
  2. Step 2: Convert to fraction form
    109,051,741.20/163,577,611.80 = 100,123,532.40/x
  3. Step 3: Cross multiply
    109,051,741.20x = 163,577,611.80 × 100,123,532.40
  4. Step 4: Simplify right side
    109,051,741.20x = 16,377,968,314,971,924
  5. Step 5: Solve for x
    x = 16,377,968,314,971,924/109,051,741.20
  6. Step 6: Final answer
    x = 150,185,298.60

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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.