Home / 51,742,257.42-77,613,386.20-21,029,641.14

Finding the Fourth Proportional to 51,742,257.42, 77,613,386.20 and 21,029,641.14

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Solution

The fourth proportional to 51,742,257.42, 77,613,386.20 and 21,029,641.14 is: 31,544,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,257.42 : 77,613,386.20 = 21,029,641.14 : x
  2. Step 2: Convert to fraction form
    51,742,257.42/77,613,386.20 = 21,029,641.14/x
  3. Step 3: Cross multiply
    51,742,257.42x = 77,613,386.20 × 21,029,641.14
  4. Step 4: Simplify right side
    51,742,257.42x = 1,632,181,659,446,228.50
  5. Step 5: Solve for x
    x = 1,632,181,659,446,228.50/51,742,257.42
  6. Step 6: Final answer
    x = 31,544,461.74

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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.