Home / 240,621,139.78-360,310,102.80-166,068,417.51

Finding the Fourth Proportional to 240,621,139.78, 360,310,102.80 and 166,068,417.51

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Solution

The fourth proportional to 240,621,139.78, 360,310,102.80 and 166,068,417.51 is: 248,673,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,621,139.78 : 360,310,102.80 = 166,068,417.51 : x
  2. Step 2: Convert to fraction form
    240,621,139.78/360,310,102.80 = 166,068,417.51/x
  3. Step 3: Cross multiply
    240,621,139.78x = 360,310,102.80 × 166,068,417.51
  4. Step 4: Simplify right side
    240,621,139.78x = 59,836,128,586,146,656
  5. Step 5: Solve for x
    x = 59,836,128,586,146,656/240,621,139.78
  6. Step 6: Final answer
    x = 248,673,614.64

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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.