Home / 98,982,319.80-148,473,479.70-66,733,692.60

Finding the Fourth Proportional to 98,982,319.80, 148,473,479.70 and 66,733,692.60

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Solution

The fourth proportional to 98,982,319.80, 148,473,479.70 and 66,733,692.60 is: 100,100,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982,319.80 : 148,473,479.70 = 66,733,692.60 : x
  2. Step 2: Convert to fraction form
    98,982,319.80/148,473,479.70 = 66,733,692.60/x
  3. Step 3: Cross multiply
    98,982,319.80x = 148,473,479.70 × 66,733,692.60
  4. Step 4: Simplify right side
    98,982,319.80x = 9,908,183,553,552,140
  5. Step 5: Solve for x
    x = 9,908,183,553,552,140/98,982,319.80
  6. Step 6: Final answer
    x = 100,100,538.90

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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.