Home / 194,558,482.58-268,488,715.30-107,638,976.66

Finding the Fourth Proportional to 194,558,482.58, 268,488,715.30 and 107,638,976.66

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Solution

The fourth proportional to 194,558,482.58, 268,488,715.30 and 107,638,976.66 is: 148,540,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,558,482.58 : 268,488,715.30 = 107,638,976.66 : x
  2. Step 2: Convert to fraction form
    194,558,482.58/268,488,715.30 = 107,638,976.66/x
  3. Step 3: Cross multiply
    194,558,482.58x = 268,488,715.30 × 107,638,976.66
  4. Step 4: Simplify right side
    194,558,482.58x = 28,899,850,558,038,544
  5. Step 5: Solve for x
    x = 28,899,850,558,038,544/194,558,482.58
  6. Step 6: Final answer
    x = 148,540,686.46

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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.