Home / 131,134,515.25-181,047,300.92-83,476,659.92

Finding the Fourth Proportional to 131,134,515.25, 181,047,300.92 and 83,476,659.92

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Solution

The fourth proportional to 131,134,515.25, 181,047,300.92 and 83,476,659.92 is: 115,249,779.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,515.25 : 181,047,300.92 = 83,476,659.92 : x
  2. Step 2: Convert to fraction form
    131,134,515.25/181,047,300.92 = 83,476,659.92/x
  3. Step 3: Cross multiply
    131,134,515.25x = 181,047,300.92 × 83,476,659.92
  4. Step 4: Simplify right side
    131,134,515.25x = 15,113,223,967,915,360
  5. Step 5: Solve for x
    x = 15,113,223,967,915,360/131,134,515.25
  6. Step 6: Final answer
    x = 115,249,779.50

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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.