Home / 218,366,557.33-301,384,772.57-129,054,854.63

Finding the Fourth Proportional to 218,366,557.33, 301,384,772.57 and 129,054,854.63

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Solution

The fourth proportional to 218,366,557.33, 301,384,772.57 and 129,054,854.63 is: 178,118,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,366,557.33 : 301,384,772.57 = 129,054,854.63 : x
  2. Step 2: Convert to fraction form
    218,366,557.33/301,384,772.57 = 129,054,854.63/x
  3. Step 3: Cross multiply
    218,366,557.33x = 301,384,772.57 × 129,054,854.63
  4. Step 4: Simplify right side
    218,366,557.33x = 38,895,168,010,532,672
  5. Step 5: Solve for x
    x = 38,895,168,010,532,672/218,366,557.33
  6. Step 6: Final answer
    x = 178,118,703.19

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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.