Home / 56,286,320.52-77,676,437.52-31,505,891.16

Finding the Fourth Proportional to 56,286,320.52, 77,676,437.52 and 31,505,891.16

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Solution

The fourth proportional to 56,286,320.52, 77,676,437.52 and 31,505,891.16 is: 43,478,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286,320.52 : 77,676,437.52 = 31,505,891.16 : x
  2. Step 2: Convert to fraction form
    56,286,320.52/77,676,437.52 = 31,505,891.16/x
  3. Step 3: Cross multiply
    56,286,320.52x = 77,676,437.52 × 31,505,891.16
  4. Step 4: Simplify right side
    56,286,320.52x = 2,447,265,386,201,660
  5. Step 5: Solve for x
    x = 2,447,265,386,201,660/56,286,320.52
  6. Step 6: Final answer
    x = 43,478,865.98

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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.