Home / 65,883,128.88-90,918,726.57-36,516,355.32

Finding the Fourth Proportional to 65,883,128.88, 90,918,726.57 and 36,516,355.32

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Solution

The fourth proportional to 65,883,128.88, 90,918,726.57 and 36,516,355.32 is: 50,392,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883,128.88 : 90,918,726.57 = 36,516,355.32 : x
  2. Step 2: Convert to fraction form
    65,883,128.88/90,918,726.57 = 36,516,355.32/x
  3. Step 3: Cross multiply
    65,883,128.88x = 90,918,726.57 × 36,516,355.32
  4. Step 4: Simplify right side
    65,883,128.88x = 3,320,020,524,672,044.50
  5. Step 5: Solve for x
    x = 3,320,020,524,672,044.50/65,883,128.88
  6. Step 6: Final answer
    x = 50,392,575.17

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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.