Home / 123,008,715.81-169,752,333.20-67,257,733.95

Finding the Fourth Proportional to 123,008,715.81, 169,752,333.20 and 67,257,733.95

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Solution

The fourth proportional to 123,008,715.81, 169,752,333.20 and 67,257,733.95 is: 92,815,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,715.81 : 169,752,333.20 = 67,257,733.95 : x
  2. Step 2: Convert to fraction form
    123,008,715.81/169,752,333.20 = 67,257,733.95/x
  3. Step 3: Cross multiply
    123,008,715.81x = 169,752,333.20 × 67,257,733.95
  4. Step 4: Simplify right side
    123,008,715.81x = 11,417,157,263,421,064
  5. Step 5: Solve for x
    x = 11,417,157,263,421,064/123,008,715.81
  6. Step 6: Final answer
    x = 92,815,839.82

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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.