Home / 122,735,599.43-169,378,718.10-66,984,595.66

Finding the Fourth Proportional to 122,735,599.43, 169,378,718.10 and 66,984,595.66

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Solution

The fourth proportional to 122,735,599.43, 169,378,718.10 and 66,984,595.66 is: 92,440,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735,599.43 : 169,378,718.10 = 66,984,595.66 : x
  2. Step 2: Convert to fraction form
    122,735,599.43/169,378,718.10 = 66,984,595.66/x
  3. Step 3: Cross multiply
    122,735,599.43x = 169,378,718.10 × 66,984,595.66
  4. Step 4: Simplify right side
    122,735,599.43x = 11,345,764,944,490,730
  5. Step 5: Solve for x
    x = 11,345,764,944,490,730/122,735,599.43
  6. Step 6: Final answer
    x = 92,440,701.78

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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.