Home / 109,165,199.60-163,299,901.80-98,415,657.20

Finding the Fourth Proportional to 109,165,199.60, 163,299,901.80 and 98,415,657.20

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Solution

The fourth proportional to 109,165,199.60, 163,299,901.80 and 98,415,657.20 is: 147,219,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165,199.60 : 163,299,901.80 = 98,415,657.20 : x
  2. Step 2: Convert to fraction form
    109,165,199.60/163,299,901.80 = 98,415,657.20/x
  3. Step 3: Cross multiply
    109,165,199.60x = 163,299,901.80 × 98,415,657.20
  4. Step 4: Simplify right side
    109,165,199.60x = 16,071,267,156,342,464
  5. Step 5: Solve for x
    x = 16,071,267,156,342,464/109,165,199.60
  6. Step 6: Final answer
    x = 147,219,692.86

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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.