Home / 122,925,384.60-169,634,981.74-67,169,580.12

Finding the Fourth Proportional to 122,925,384.60, 169,634,981.74 and 67,169,580.12

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Solution

The fourth proportional to 122,925,384.60, 169,634,981.74 and 67,169,580.12 is: 92,692,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,925,384.60 : 169,634,981.74 = 67,169,580.12 : x
  2. Step 2: Convert to fraction form
    122,925,384.60/169,634,981.74 = 67,169,580.12/x
  3. Step 3: Cross multiply
    122,925,384.60x = 169,634,981.74 × 67,169,580.12
  4. Step 4: Simplify right side
    122,925,384.60x = 11,394,310,497,139,668
  5. Step 5: Solve for x
    x = 11,394,310,497,139,668/122,925,384.60
  6. Step 6: Final answer
    x = 92,692,900.94

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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.