Home / 218,366,555.83-301,384,770.50-129,054,853.13

Finding the Fourth Proportional to 218,366,555.83, 301,384,770.50 and 129,054,853.13

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Solution

The fourth proportional to 218,366,555.83, 301,384,770.50 and 129,054,853.13 is: 178,118,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,366,555.83 : 301,384,770.50 = 129,054,853.13 : x
  2. Step 2: Convert to fraction form
    218,366,555.83/301,384,770.50 = 129,054,853.13/x
  3. Step 3: Cross multiply
    218,366,555.83x = 301,384,770.50 × 129,054,853.13
  4. Step 4: Simplify right side
    218,366,555.83x = 38,895,167,291,311,968
  5. Step 5: Solve for x
    x = 38,895,167,291,311,968/218,366,555.83
  6. Step 6: Final answer
    x = 178,118,701.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.