Home / 99,611,572.69-149,110,902.45-64,993,433.05

Finding the Fourth Proportional to 99,611,572.69, 149,110,902.45 and 64,993,433.05

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Solution

The fourth proportional to 99,611,572.69, 149,110,902.45 and 64,993,433.05 is: 97,290,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,611,572.69 : 149,110,902.45 = 64,993,433.05 : x
  2. Step 2: Convert to fraction form
    99,611,572.69/149,110,902.45 = 64,993,433.05/x
  3. Step 3: Cross multiply
    99,611,572.69x = 149,110,902.45 × 64,993,433.05
  4. Step 4: Simplify right side
    99,611,572.69x = 9,691,229,455,036,378
  5. Step 5: Solve for x
    x = 9,691,229,455,036,378/99,611,572.69
  6. Step 6: Final answer
    x = 97,290,196.24

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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.