Home / 65,883,132.88-90,918,732.10-36,516,359.32

Finding the Fourth Proportional to 65,883,132.88, 90,918,732.10 and 36,516,359.32

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Solution

The fourth proportional to 65,883,132.88, 90,918,732.10 and 36,516,359.32 is: 50,392,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883,132.88 : 90,918,732.10 = 36,516,359.32 : x
  2. Step 2: Convert to fraction form
    65,883,132.88/90,918,732.10 = 36,516,359.32/x
  3. Step 3: Cross multiply
    65,883,132.88x = 90,918,732.10 × 36,516,359.32
  4. Step 4: Simplify right side
    65,883,132.88x = 3,320,021,090,282,418
  5. Step 5: Solve for x
    x = 3,320,021,090,282,418/65,883,132.88
  6. Step 6: Final answer
    x = 50,392,580.70

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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.