Home / 66,509,116.88-91,781,714.32-37,140,965.48

Finding the Fourth Proportional to 66,509,116.88, 91,781,714.32 and 37,140,965.48

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Solution

The fourth proportional to 66,509,116.88, 91,781,714.32 and 37,140,965.48 is: 51,254,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509,116.88 : 91,781,714.32 = 37,140,965.48 : x
  2. Step 2: Convert to fraction form
    66,509,116.88/91,781,714.32 = 37,140,965.48/x
  3. Step 3: Cross multiply
    66,509,116.88x = 91,781,714.32 × 37,140,965.48
  4. Step 4: Simplify right side
    66,509,116.88x = 3,408,861,483,254,341
  5. Step 5: Solve for x
    x = 3,408,861,483,254,341/66,509,116.88
  6. Step 6: Final answer
    x = 51,254,048.21

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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.