Home / 66,593,546-99,890,357.88-18,724,490

Finding the Fourth Proportional to 66,593,546, 99,890,357.88 and 18,724,490

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Solution

The fourth proportional to 66,593,546, 99,890,357.88 and 18,724,490 is: 28,086,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593,546 : 99,890,357.88 = 18,724,490 : x
  2. Step 2: Convert to fraction form
    66,593,546/99,890,357.88 = 18,724,490/x
  3. Step 3: Cross multiply
    66,593,546x = 99,890,357.88 × 18,724,490
  4. Step 4: Simplify right side
    66,593,546x = 1,870,396,007,220,481
  5. Step 5: Solve for x
    x = 1,870,396,007,220,481/66,593,546
  6. Step 6: Final answer
    x = 28,086,745.93

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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.