Home / 86,580,228.17-130,077,527.49-55,516,745.75

Finding the Fourth Proportional to 86,580,228.17, 130,077,527.49 and 55,516,745.75

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Solution

The fourth proportional to 86,580,228.17, 130,077,527.49 and 55,516,745.75 is: 83,407,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580,228.17 : 130,077,527.49 = 55,516,745.75 : x
  2. Step 2: Convert to fraction form
    86,580,228.17/130,077,527.49 = 55,516,745.75/x
  3. Step 3: Cross multiply
    86,580,228.17x = 130,077,527.49 × 55,516,745.75
  4. Step 4: Simplify right side
    86,580,228.17x = 7,221,481,021,450,965
  5. Step 5: Solve for x
    x = 7,221,481,021,450,965/86,580,228.17
  6. Step 6: Final answer
    x = 83,407,969.40

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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.