Home / 81,514,916.07-122,272,352.24-55,878,202.23

Finding the Fourth Proportional to 81,514,916.07, 122,272,352.24 and 55,878,202.23

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Solution

The fourth proportional to 81,514,916.07, 122,272,352.24 and 55,878,202.23 is: 83,817,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,514,916.07 : 122,272,352.24 = 55,878,202.23 : x
  2. Step 2: Convert to fraction form
    81,514,916.07/122,272,352.24 = 55,878,202.23/x
  3. Step 3: Cross multiply
    81,514,916.07x = 122,272,352.24 × 55,878,202.23
  4. Step 4: Simplify right side
    81,514,916.07x = 6,832,359,225,325,122
  5. Step 5: Solve for x
    x = 6,832,359,225,325,122/81,514,916.07
  6. Step 6: Final answer
    x = 83,817,288.35

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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.