Home / 210,410,386.76-290,375,301.20-117,590,891.87

Finding the Fourth Proportional to 210,410,386.76, 290,375,301.20 and 117,590,891.87

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Solution

The fourth proportional to 210,410,386.76, 290,375,301.20 and 117,590,891.87 is: 162,280,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,410,386.76 : 290,375,301.20 = 117,590,891.87 : x
  2. Step 2: Convert to fraction form
    210,410,386.76/290,375,301.20 = 117,590,891.87/x
  3. Step 3: Cross multiply
    210,410,386.76x = 290,375,301.20 × 117,590,891.87
  4. Step 4: Simplify right side
    210,410,386.76x = 34,145,490,645,265,864
  5. Step 5: Solve for x
    x = 34,145,490,645,265,864/210,410,386.76
  6. Step 6: Final answer
    x = 162,280,442.38

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1.5x scale

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.