Home / 119,158,504.56-178,737,492.76-31,720,041.36

Finding the Fourth Proportional to 119,158,504.56, 178,737,492.76 and 31,720,041.36

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Solution

The fourth proportional to 119,158,504.56, 178,737,492.76 and 31,720,041.36 is: 47,579,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158,504.56 : 178,737,492.76 = 31,720,041.36 : x
  2. Step 2: Convert to fraction form
    119,158,504.56/178,737,492.76 = 31,720,041.36/x
  3. Step 3: Cross multiply
    119,158,504.56x = 178,737,492.76 × 31,720,041.36
  4. Step 4: Simplify right side
    119,158,504.56x = 5,669,560,662,929,900
  5. Step 5: Solve for x
    x = 5,669,560,662,929,900/119,158,504.56
  6. Step 6: Final answer
    x = 47,579,991.74

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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.