Home / 147,636,183.20-221,454,274.80-139,133,127.20

Finding the Fourth Proportional to 147,636,183.20, 221,454,274.80 and 139,133,127.20

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Solution

The fourth proportional to 147,636,183.20, 221,454,274.80 and 139,133,127.20 is: 208,699,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,636,183.20 : 221,454,274.80 = 139,133,127.20 : x
  2. Step 2: Convert to fraction form
    147,636,183.20/221,454,274.80 = 139,133,127.20/x
  3. Step 3: Cross multiply
    147,636,183.20x = 221,454,274.80 × 139,133,127.20
  4. Step 4: Simplify right side
    147,636,183.20x = 30,811,625,784,732,152
  5. Step 5: Solve for x
    x = 30,811,625,784,732,152/147,636,183.20
  6. Step 6: Final answer
    x = 208,699,690.80

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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.