Home / 82,259,880.85-113,452,444.41-72,315,501.02

Finding the Fourth Proportional to 82,259,880.85, 113,452,444.41 and 72,315,501.02

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Solution

The fourth proportional to 82,259,880.85, 113,452,444.41 and 72,315,501.02 is: 99,737,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,259,880.85 : 113,452,444.41 = 72,315,501.02 : x
  2. Step 2: Convert to fraction form
    82,259,880.85/113,452,444.41 = 72,315,501.02/x
  3. Step 3: Cross multiply
    82,259,880.85x = 113,452,444.41 × 72,315,501.02
  4. Step 4: Simplify right side
    82,259,880.85x = 8,204,370,359,452,848
  5. Step 5: Solve for x
    x = 8,204,370,359,452,848/82,259,880.85
  6. Step 6: Final answer
    x = 99,737,202.08

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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.