Home / 147,636,005.20-221,454,007.80-45,386,756.80

Finding the Fourth Proportional to 147,636,005.20, 221,454,007.80 and 45,386,756.80

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Solution

The fourth proportional to 147,636,005.20, 221,454,007.80 and 45,386,756.80 is: 68,080,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,636,005.20 : 221,454,007.80 = 45,386,756.80 : x
  2. Step 2: Convert to fraction form
    147,636,005.20/221,454,007.80 = 45,386,756.80/x
  3. Step 3: Cross multiply
    147,636,005.20x = 221,454,007.80 × 45,386,756.80
  4. Step 4: Simplify right side
    147,636,005.20x = 10,051,079,194,403,902
  5. Step 5: Solve for x
    x = 10,051,079,194,403,902/147,636,005.20
  6. Step 6: Final answer
    x = 68,080,135.20

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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.