Home / 99,651,692.80-149,477,539.20-61,188,486.40

Finding the Fourth Proportional to 99,651,692.80, 149,477,539.20 and 61,188,486.40

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Solution

The fourth proportional to 99,651,692.80, 149,477,539.20 and 61,188,486.40 is: 91,782,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,692.80 : 149,477,539.20 = 61,188,486.40 : x
  2. Step 2: Convert to fraction form
    99,651,692.80/149,477,539.20 = 61,188,486.40/x
  3. Step 3: Cross multiply
    99,651,692.80x = 149,477,539.20 × 61,188,486.40
  4. Step 4: Simplify right side
    99,651,692.80x = 9,146,304,374,444,666
  5. Step 5: Solve for x
    x = 9,146,304,374,444,666/99,651,692.80
  6. Step 6: Final answer
    x = 91,782,729.60

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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.