Home / 66,509,108.88-91,781,703.28-37,140,957.48

Finding the Fourth Proportional to 66,509,108.88, 91,781,703.28 and 37,140,957.48

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Solution

The fourth proportional to 66,509,108.88, 91,781,703.28 and 37,140,957.48 is: 51,254,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509,108.88 : 91,781,703.28 = 37,140,957.48 : x
  2. Step 2: Convert to fraction form
    66,509,108.88/91,781,703.28 = 37,140,957.48/x
  3. Step 3: Cross multiply
    66,509,108.88x = 91,781,703.28 × 37,140,957.48
  4. Step 4: Simplify right side
    66,509,108.88x = 3,408,860,338,964,456.50
  5. Step 5: Solve for x
    x = 3,408,860,338,964,456.50/66,509,108.88
  6. Step 6: Final answer
    x = 51,254,037.17

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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.