Home / 98,862,402.80-148,293,604.20-66,529,794.80

Finding the Fourth Proportional to 98,862,402.80, 148,293,604.20 and 66,529,794.80

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Solution

The fourth proportional to 98,862,402.80, 148,293,604.20 and 66,529,794.80 is: 99,794,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862,402.80 : 148,293,604.20 = 66,529,794.80 : x
  2. Step 2: Convert to fraction form
    98,862,402.80/148,293,604.20 = 66,529,794.80/x
  3. Step 3: Cross multiply
    98,862,402.80x = 148,293,604.20 × 66,529,794.80
  4. Step 4: Simplify right side
    98,862,402.80x = 9,865,943,057,578,416
  5. Step 5: Solve for x
    x = 9,865,943,057,578,416/98,862,402.80
  6. Step 6: Final answer
    x = 99,794,692.20

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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.