Home / 109,156,740.60-163,624,886.10-54,485,239.80

Finding the Fourth Proportional to 109,156,740.60, 163,624,886.10 and 54,485,239.80

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Solution

The fourth proportional to 109,156,740.60, 163,624,886.10 and 54,485,239.80 is: 81,672,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,740.60 : 163,624,886.10 = 54,485,239.80 : x
  2. Step 2: Convert to fraction form
    109,156,740.60/163,624,886.10 = 54,485,239.80/x
  3. Step 3: Cross multiply
    109,156,740.60x = 163,624,886.10 × 54,485,239.80
  4. Step 4: Simplify right side
    109,156,740.60x = 8,915,141,156,406,186
  5. Step 5: Solve for x
    x = 8,915,141,156,406,186/109,156,740.60
  6. Step 6: Final answer
    x = 81,672,841.34

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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.