Home / 140,569,948.80-210,630,974.40-104,290,243.20

Finding the Fourth Proportional to 140,569,948.80, 210,630,974.40 and 104,290,243.20

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Solution

The fourth proportional to 140,569,948.80, 210,630,974.40 and 104,290,243.20 is: 156,269,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,569,948.80 : 210,630,974.40 = 104,290,243.20 : x
  2. Step 2: Convert to fraction form
    140,569,948.80/210,630,974.40 = 104,290,243.20/x
  3. Step 3: Cross multiply
    140,569,948.80x = 210,630,974.40 × 104,290,243.20
  4. Step 4: Simplify right side
    140,569,948.80x = 21,966,755,545,628,976
  5. Step 5: Solve for x
    x = 21,966,755,545,628,976/140,569,948.80
  6. Step 6: Final answer
    x = 156,269,214.96

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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.