Home / 72,401,858.55-108,602,787.83-64,465,672.95

Finding the Fourth Proportional to 72,401,858.55, 108,602,787.83 and 64,465,672.95

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Solution

The fourth proportional to 72,401,858.55, 108,602,787.83 and 64,465,672.95 is: 96,698,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,401,858.55 : 108,602,787.83 = 64,465,672.95 : x
  2. Step 2: Convert to fraction form
    72,401,858.55/108,602,787.83 = 64,465,672.95/x
  3. Step 3: Cross multiply
    72,401,858.55x = 108,602,787.83 × 64,465,672.95
  4. Step 4: Simplify right side
    72,401,858.55x = 7,001,151,801,384,692
  5. Step 5: Solve for x
    x = 7,001,151,801,384,692/72,401,858.55
  6. Step 6: Final answer
    x = 96,698,509.43

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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.