Home / 112,776,743.10-155,641,422.63-63,216,324.54

Finding the Fourth Proportional to 112,776,743.10, 155,641,422.63 and 63,216,324.54

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Solution

The fourth proportional to 112,776,743.10, 155,641,422.63 and 63,216,324.54 is: 87,243,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776,743.10 : 155,641,422.63 = 63,216,324.54 : x
  2. Step 2: Convert to fraction form
    112,776,743.10/155,641,422.63 = 63,216,324.54/x
  3. Step 3: Cross multiply
    112,776,743.10x = 155,641,422.63 × 63,216,324.54
  4. Step 4: Simplify right side
    112,776,743.10x = 9,839,078,684,845,380
  5. Step 5: Solve for x
    x = 9,839,078,684,845,380/112,776,743.10
  6. Step 6: Final answer
    x = 87,243,862.65

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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.