Home / 281,115,053.10-421,711,814.70-117,315,262.80

Finding the Fourth Proportional to 281,115,053.10, 421,711,814.70 and 117,315,262.80

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Solution

The fourth proportional to 281,115,053.10, 421,711,814.70 and 117,315,262.80 is: 175,989,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,115,053.10 : 421,711,814.70 = 117,315,262.80 : x
  2. Step 2: Convert to fraction form
    281,115,053.10/421,711,814.70 = 117,315,262.80/x
  3. Step 3: Cross multiply
    281,115,053.10x = 421,711,814.70 × 117,315,262.80
  4. Step 4: Simplify right side
    281,115,053.10x = 49,473,232,367,395,400
  5. Step 5: Solve for x
    x = 49,473,232,367,395,400/281,115,053.10
  6. Step 6: Final answer
    x = 175,989,267.82

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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.