Home / 51,742,254.64-77,613,382.01-21,029,638.36

Finding the Fourth Proportional to 51,742,254.64, 77,613,382.01 and 21,029,638.36

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Solution

The fourth proportional to 51,742,254.64, 77,613,382.01 and 21,029,638.36 is: 31,544,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,254.64 : 77,613,382.01 = 21,029,638.36 : x
  2. Step 2: Convert to fraction form
    51,742,254.64/77,613,382.01 = 21,029,638.36/x
  3. Step 3: Cross multiply
    51,742,254.64x = 77,613,382.01 × 21,029,638.36
  4. Step 4: Simplify right side
    51,742,254.64x = 1,632,181,355,566,830
  5. Step 5: Solve for x
    x = 1,632,181,355,566,830/51,742,254.64
  6. Step 6: Final answer
    x = 31,544,457.56

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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.