Home / 229,947,718.03-317,285,395.19-130,822,678.51

Finding the Fourth Proportional to 229,947,718.03, 317,285,395.19 and 130,822,678.51

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Solution

The fourth proportional to 229,947,718.03, 317,285,395.19 and 130,822,678.51 is: 180,511,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,947,718.03 : 317,285,395.19 = 130,822,678.51 : x
  2. Step 2: Convert to fraction form
    229,947,718.03/317,285,395.19 = 130,822,678.51/x
  3. Step 3: Cross multiply
    229,947,718.03x = 317,285,395.19 × 130,822,678.51
  4. Step 4: Simplify right side
    229,947,718.03x = 41,508,125,250,205,560
  5. Step 5: Solve for x
    x = 41,508,125,250,205,560/229,947,718.03
  6. Step 6: Final answer
    x = 180,511,142.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.