Home / 140,624,001.19-210,940,785.56-66,809,686.20

Finding the Fourth Proportional to 140,624,001.19, 210,940,785.56 and 66,809,686.20

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Solution

The fourth proportional to 140,624,001.19, 210,940,785.56 and 66,809,686.20 is: 100,216,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624,001.19 : 210,940,785.56 = 66,809,686.20 : x
  2. Step 2: Convert to fraction form
    140,624,001.19/210,940,785.56 = 66,809,686.20/x
  3. Step 3: Cross multiply
    140,624,001.19x = 210,940,785.56 × 66,809,686.20
  4. Step 4: Simplify right side
    140,624,001.19x = 14,092,887,690,045,092
  5. Step 5: Solve for x
    x = 14,092,887,690,045,092/140,624,001.19
  6. Step 6: Final answer
    x = 100,216,802.05

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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.