Home / 218,608,486.78-301,671,466.44-119,488,397.98

Finding the Fourth Proportional to 218,608,486.78, 301,671,466.44 and 119,488,397.98

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Solution

The fourth proportional to 218,608,486.78, 301,671,466.44 and 119,488,397.98 is: 164,889,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,608,486.78 : 301,671,466.44 = 119,488,397.98 : x
  2. Step 2: Convert to fraction form
    218,608,486.78/301,671,466.44 = 119,488,397.98/x
  3. Step 3: Cross multiply
    218,608,486.78x = 301,671,466.44 × 119,488,397.98
  4. Step 4: Simplify right side
    218,608,486.78x = 36,046,240,241,192,936
  5. Step 5: Solve for x
    x = 36,046,240,241,192,936/218,608,486.78
  6. Step 6: Final answer
    x = 164,889,482.44

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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.