Home / 99,746,412.30-149,619,618.45-67,413,804.30

Finding the Fourth Proportional to 99,746,412.30, 149,619,618.45 and 67,413,804.30

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Solution

The fourth proportional to 99,746,412.30, 149,619,618.45 and 67,413,804.30 is: 101,120,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746,412.30 : 149,619,618.45 = 67,413,804.30 : x
  2. Step 2: Convert to fraction form
    99,746,412.30/149,619,618.45 = 67,413,804.30/x
  3. Step 3: Cross multiply
    99,746,412.30x = 149,619,618.45 × 67,413,804.30
  4. Step 4: Simplify right side
    99,746,412.30x = 10,086,427,677,628,968
  5. Step 5: Solve for x
    x = 10,086,427,677,628,968/99,746,412.30
  6. Step 6: Final answer
    x = 101,120,706.45

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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.