Home / 103,156,815.60-154,558,276.20-49,187,919.60

Finding the Fourth Proportional to 103,156,815.60, 154,558,276.20 and 49,187,919.60

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Solution

The fourth proportional to 103,156,815.60, 154,558,276.20 and 49,187,919.60 is: 73,697,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,156,815.60 : 154,558,276.20 = 49,187,919.60 : x
  2. Step 2: Convert to fraction form
    103,156,815.60/154,558,276.20 = 49,187,919.60/x
  3. Step 3: Cross multiply
    103,156,815.60x = 154,558,276.20 × 49,187,919.60
  4. Step 4: Simplify right side
    103,156,815.60x = 7,602,400,063,240,193
  5. Step 5: Solve for x
    x = 7,602,400,063,240,193/103,156,815.60
  6. Step 6: Final answer
    x = 73,697,506.26

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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.