Home / 122,969,133.55-169,697,260.51-67,214,920.13

Finding the Fourth Proportional to 122,969,133.55, 169,697,260.51 and 67,214,920.13

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Solution

The fourth proportional to 122,969,133.55, 169,697,260.51 and 67,214,920.13 is: 92,756,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,969,133.55 : 169,697,260.51 = 67,214,920.13 : x
  2. Step 2: Convert to fraction form
    122,969,133.55/169,697,260.51 = 67,214,920.13/x
  3. Step 3: Cross multiply
    122,969,133.55x = 169,697,260.51 × 67,214,920.13
  4. Step 4: Simplify right side
    122,969,133.55x = 11,406,187,811,079,294
  5. Step 5: Solve for x
    x = 11,406,187,811,079,294/122,969,133.55
  6. Step 6: Final answer
    x = 92,756,511.18

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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.