Home / 99,994,087.40-149,991,131.10-69,736,116.20

Finding the Fourth Proportional to 99,994,087.40, 149,991,131.10 and 69,736,116.20

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Solution

The fourth proportional to 99,994,087.40, 149,991,131.10 and 69,736,116.20 is: 104,604,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994,087.40 : 149,991,131.10 = 69,736,116.20 : x
  2. Step 2: Convert to fraction form
    99,994,087.40/149,991,131.10 = 69,736,116.20/x
  3. Step 3: Cross multiply
    99,994,087.40x = 149,991,131.10 × 69,736,116.20
  4. Step 4: Simplify right side
    99,994,087.40x = 10,459,798,947,359,034
  5. Step 5: Solve for x
    x = 10,459,798,947,359,034/99,994,087.40
  6. Step 6: Final answer
    x = 104,604,174.30

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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.