Home / 119,191,753.20-178,787,629.80-103,035,946.80

Finding the Fourth Proportional to 119,191,753.20, 178,787,629.80 and 103,035,946.80

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Solution

The fourth proportional to 119,191,753.20, 178,787,629.80 and 103,035,946.80 is: 154,553,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,191,753.20 : 178,787,629.80 = 103,035,946.80 : x
  2. Step 2: Convert to fraction form
    119,191,753.20/178,787,629.80 = 103,035,946.80/x
  3. Step 3: Cross multiply
    119,191,753.20x = 178,787,629.80 × 103,035,946.80
  4. Step 4: Simplify right side
    119,191,753.20x = 18,421,552,712,570,896
  5. Step 5: Solve for x
    x = 18,421,552,712,570,896/119,191,753.20
  6. Step 6: Final answer
    x = 154,553,920.20

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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.