Home / 109,113,540.30-163,670,310.45-28,334,508.30

Finding the Fourth Proportional to 109,113,540.30, 163,670,310.45 and 28,334,508.30

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Solution

The fourth proportional to 109,113,540.30, 163,670,310.45 and 28,334,508.30 is: 42,501,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113,540.30 : 163,670,310.45 = 28,334,508.30 : x
  2. Step 2: Convert to fraction form
    109,113,540.30/163,670,310.45 = 28,334,508.30/x
  3. Step 3: Cross multiply
    109,113,540.30x = 163,670,310.45 × 28,334,508.30
  4. Step 4: Simplify right side
    109,113,540.30x = 4,637,517,769,909,102
  5. Step 5: Solve for x
    x = 4,637,517,769,909,102/109,113,540.30
  6. Step 6: Final answer
    x = 42,501,762.45

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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.