Home / 91,081,572.10-136,622,758.35-28,833,192.31

Finding the Fourth Proportional to 91,081,572.10, 136,622,758.35 and 28,833,192.31

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Solution

The fourth proportional to 91,081,572.10, 136,622,758.35 and 28,833,192.31 is: 43,249,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081,572.10 : 136,622,758.35 = 28,833,192.31 : x
  2. Step 2: Convert to fraction form
    91,081,572.10/136,622,758.35 = 28,833,192.31/x
  3. Step 3: Cross multiply
    91,081,572.10x = 136,622,758.35 × 28,833,192.31
  4. Step 4: Simplify right side
    91,081,572.10x = 3,939,270,265,428,208
  5. Step 5: Solve for x
    x = 3,939,270,265,428,208/91,081,572.10
  6. Step 6: Final answer
    x = 43,249,915.15

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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.