Home / 131,862,004.90-197,793,007.35-86,450,164.90

Finding the Fourth Proportional to 131,862,004.90, 197,793,007.35 and 86,450,164.90

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Solution

The fourth proportional to 131,862,004.90, 197,793,007.35 and 86,450,164.90 is: 129,675,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,862,004.90 : 197,793,007.35 = 86,450,164.90 : x
  2. Step 2: Convert to fraction form
    131,862,004.90/197,793,007.35 = 86,450,164.90/x
  3. Step 3: Cross multiply
    131,862,004.90x = 197,793,007.35 × 86,450,164.90
  4. Step 4: Simplify right side
    131,862,004.90x = 17,099,238,101,474,412
  5. Step 5: Solve for x
    x = 17,099,238,101,474,412/131,862,004.90
  6. Step 6: Final answer
    x = 129,675,247.35

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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.