Home / 147,226,010.40-220,839,015.60-74,666,599.20

Finding the Fourth Proportional to 147,226,010.40, 220,839,015.60 and 74,666,599.20

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Solution

The fourth proportional to 147,226,010.40, 220,839,015.60 and 74,666,599.20 is: 111,999,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226,010.40 : 220,839,015.60 = 74,666,599.20 : x
  2. Step 2: Convert to fraction form
    147,226,010.40/220,839,015.60 = 74,666,599.20/x
  3. Step 3: Cross multiply
    147,226,010.40x = 220,839,015.60 × 74,666,599.20
  4. Step 4: Simplify right side
    147,226,010.40x = 16,489,298,265,527,748
  5. Step 5: Solve for x
    x = 16,489,298,265,527,748/147,226,010.40
  6. Step 6: Final answer
    x = 111,999,898.80

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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.