Home / 65,354,437.44-90,023,030.64-49,857,617.88

Finding the Fourth Proportional to 65,354,437.44, 90,023,030.64 and 49,857,617.88

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Solution

The fourth proportional to 65,354,437.44, 90,023,030.64 and 49,857,617.88 is: 68,676,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354,437.44 : 90,023,030.64 = 49,857,617.88 : x
  2. Step 2: Convert to fraction form
    65,354,437.44/90,023,030.64 = 49,857,617.88/x
  3. Step 3: Cross multiply
    65,354,437.44x = 90,023,030.64 × 49,857,617.88
  4. Step 4: Simplify right side
    65,354,437.44x = 4,488,333,862,048,652
  5. Step 5: Solve for x
    x = 4,488,333,862,048,652/65,354,437.44
  6. Step 6: Final answer
    x = 68,676,803.56

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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.