Home / 245,368,996.20-368,352,092.70-124,138,045.80

Finding the Fourth Proportional to 245,368,996.20, 368,352,092.70 and 124,138,045.80

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Solution

The fourth proportional to 245,368,996.20, 368,352,092.70 and 124,138,045.80 is: 186,358,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,368,996.20 : 368,352,092.70 = 124,138,045.80 : x
  2. Step 2: Convert to fraction form
    245,368,996.20/368,352,092.70 = 124,138,045.80/x
  3. Step 3: Cross multiply
    245,368,996.20x = 368,352,092.70 × 124,138,045.80
  4. Step 4: Simplify right side
    245,368,996.20x = 45,726,508,954,118,440
  5. Step 5: Solve for x
    x = 45,726,508,954,118,440/245,368,996.20
  6. Step 6: Final answer
    x = 186,358,136.77

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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.