Home / 51,742,253.64-77,613,380.51-21,029,637.36

Finding the Fourth Proportional to 51,742,253.64, 77,613,380.51 and 21,029,637.36

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Solution

The fourth proportional to 51,742,253.64, 77,613,380.51 and 21,029,637.36 is: 31,544,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,253.64 : 77,613,380.51 = 21,029,637.36 : x
  2. Step 2: Convert to fraction form
    51,742,253.64/77,613,380.51 = 21,029,637.36/x
  3. Step 3: Cross multiply
    51,742,253.64x = 77,613,380.51 × 21,029,637.36
  4. Step 4: Simplify right side
    51,742,253.64x = 1,632,181,246,303,843.50
  5. Step 5: Solve for x
    x = 1,632,181,246,303,843.50/51,742,253.64
  6. Step 6: Final answer
    x = 31,544,456.06

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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.