Home / 72,602,492.20-108,903,738.30-36,696,034.60

Finding the Fourth Proportional to 72,602,492.20, 108,903,738.30 and 36,696,034.60

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Solution

The fourth proportional to 72,602,492.20, 108,903,738.30 and 36,696,034.60 is: 55,044,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,602,492.20 : 108,903,738.30 = 36,696,034.60 : x
  2. Step 2: Convert to fraction form
    72,602,492.20/108,903,738.30 = 36,696,034.60/x
  3. Step 3: Cross multiply
    72,602,492.20x = 108,903,738.30 × 36,696,034.60
  4. Step 4: Simplify right side
    72,602,492.20x = 3,996,335,348,726,145
  5. Step 5: Solve for x
    x = 3,996,335,348,726,145/72,602,492.20
  6. Step 6: Final answer
    x = 55,044,051.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.