Home / 42,120,347.81-58,128,325.31-23,535,939.08

Finding the Fourth Proportional to 42,120,347.81, 58,128,325.31 and 23,535,939.08

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Solution

The fourth proportional to 42,120,347.81, 58,128,325.31 and 23,535,939.08 is: 32,480,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,347.81 : 58,128,325.31 = 23,535,939.08 : x
  2. Step 2: Convert to fraction form
    42,120,347.81/58,128,325.31 = 23,535,939.08/x
  3. Step 3: Cross multiply
    42,120,347.81x = 58,128,325.31 × 23,535,939.08
  4. Step 4: Simplify right side
    42,120,347.81x = 1,368,104,722,910,260.75
  5. Step 5: Solve for x
    x = 1,368,104,722,910,260.75/42,120,347.81
  6. Step 6: Final answer
    x = 32,480,850.57

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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.