Home / 99,265,850.53-136,984,909.22-55,211,901.21

Finding the Fourth Proportional to 99,265,850.53, 136,984,909.22 and 55,211,901.21

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Solution

The fourth proportional to 99,265,850.53, 136,984,909.22 and 55,211,901.21 is: 76,191,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265,850.53 : 136,984,909.22 = 55,211,901.21 : x
  2. Step 2: Convert to fraction form
    99,265,850.53/136,984,909.22 = 55,211,901.21/x
  3. Step 3: Cross multiply
    99,265,850.53x = 136,984,909.22 × 55,211,901.21
  4. Step 4: Simplify right side
    99,265,850.53x = 7,563,197,275,046,443
  5. Step 5: Solve for x
    x = 7,563,197,275,046,443/99,265,850.53
  6. Step 6: Final answer
    x = 76,191,331.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.