Home / 164,645,248.12-246,748,427.64-86,903,876.12

Finding the Fourth Proportional to 164,645,248.12, 246,748,427.64 and 86,903,876.12

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Solution

The fourth proportional to 164,645,248.12, 246,748,427.64 and 86,903,876.12 is: 130,239,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,645,248.12 : 246,748,427.64 = 86,903,876.12 : x
  2. Step 2: Convert to fraction form
    164,645,248.12/246,748,427.64 = 86,903,876.12/x
  3. Step 3: Cross multiply
    164,645,248.12x = 246,748,427.64 × 86,903,876.12
  4. Step 4: Simplify right side
    164,645,248.12x = 21,443,394,788,431,344
  5. Step 5: Solve for x
    x = 21,443,394,788,431,344/164,645,248.12
  6. Step 6: Final answer
    x = 130,239,985.87

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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.