Home / 122,864,453.81-169,551,938.62-67,109,909.77

Finding the Fourth Proportional to 122,864,453.81, 169,551,938.62 and 67,109,909.77

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Solution

The fourth proportional to 122,864,453.81, 169,551,938.62 and 67,109,909.77 is: 92,611,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864,453.81 : 169,551,938.62 = 67,109,909.77 : x
  2. Step 2: Convert to fraction form
    122,864,453.81/169,551,938.62 = 67,109,909.77/x
  3. Step 3: Cross multiply
    122,864,453.81x = 169,551,938.62 × 67,109,909.77
  4. Step 4: Simplify right side
    122,864,453.81x = 11,378,615,302,116,778
  5. Step 5: Solve for x
    x = 11,378,615,302,116,778/122,864,453.81
  6. Step 6: Final answer
    x = 92,611,125.10

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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.