Home / 221,272,461.70-331,909,479.75-67,918,531.30

Finding the Fourth Proportional to 221,272,461.70, 331,909,479.75 and 67,918,531.30

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Solution

The fourth proportional to 221,272,461.70, 331,909,479.75 and 67,918,531.30 is: 101,878,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,272,461.70 : 331,909,479.75 = 67,918,531.30 : x
  2. Step 2: Convert to fraction form
    221,272,461.70/331,909,479.75 = 67,918,531.30/x
  3. Step 3: Cross multiply
    221,272,461.70x = 331,909,479.75 × 67,918,531.30
  4. Step 4: Simplify right side
    221,272,461.70x = 22,542,804,389,167,092
  5. Step 5: Solve for x
    x = 22,542,804,389,167,092/221,272,461.70
  6. Step 6: Final answer
    x = 101,878,038.58

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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.