Home / 106,998,017.07-147,702,468.56-72,237,793.71

Finding the Fourth Proportional to 106,998,017.07, 147,702,468.56 and 72,237,793.71

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Solution

The fourth proportional to 106,998,017.07, 147,702,468.56 and 72,237,793.71 is: 99,718,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,998,017.07 : 147,702,468.56 = 72,237,793.71 : x
  2. Step 2: Convert to fraction form
    106,998,017.07/147,702,468.56 = 72,237,793.71/x
  3. Step 3: Cross multiply
    106,998,017.07x = 147,702,468.56 × 72,237,793.71
  4. Step 4: Simplify right side
    106,998,017.07x = 10,669,700,453,933,852
  5. Step 5: Solve for x
    x = 10,669,700,453,933,852/106,998,017.07
  6. Step 6: Final answer
    x = 99,718,674.66

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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.