Home / 98,248,901.80-147,373,352.70-68,015,813.80

Finding the Fourth Proportional to 98,248,901.80, 147,373,352.70 and 68,015,813.80

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Solution

The fourth proportional to 98,248,901.80, 147,373,352.70 and 68,015,813.80 is: 102,023,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,248,901.80 : 147,373,352.70 = 68,015,813.80 : x
  2. Step 2: Convert to fraction form
    98,248,901.80/147,373,352.70 = 68,015,813.80/x
  3. Step 3: Cross multiply
    98,248,901.80x = 147,373,352.70 × 68,015,813.80
  4. Step 4: Simplify right side
    98,248,901.80x = 10,023,718,516,324,926
  5. Step 5: Solve for x
    x = 10,023,718,516,324,926/98,248,901.80
  6. Step 6: Final answer
    x = 102,023,720.70

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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.