Home / 89,880,753.34-124,121,103.60-84,984,118.66

Finding the Fourth Proportional to 89,880,753.34, 124,121,103.60 and 84,984,118.66

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Solution

The fourth proportional to 89,880,753.34, 124,121,103.60 and 84,984,118.66 is: 117,359,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880,753.34 : 124,121,103.60 = 84,984,118.66 : x
  2. Step 2: Convert to fraction form
    89,880,753.34/124,121,103.60 = 84,984,118.66/x
  3. Step 3: Cross multiply
    89,880,753.34x = 124,121,103.60 × 84,984,118.66
  4. Step 4: Simplify right side
    89,880,753.34x = 10,548,322,596,552,552
  5. Step 5: Solve for x
    x = 10,548,322,596,552,552/89,880,753.34
  6. Step 6: Final answer
    x = 117,359,080.83

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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.