Home / 84,068,710.32-116,014,767.84-45,437,542.32

Finding the Fourth Proportional to 84,068,710.32, 116,014,767.84 and 45,437,542.32

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Solution

The fourth proportional to 84,068,710.32, 116,014,767.84 and 45,437,542.32 is: 62,703,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,068,710.32 : 116,014,767.84 = 45,437,542.32 : x
  2. Step 2: Convert to fraction form
    84,068,710.32/116,014,767.84 = 45,437,542.32/x
  3. Step 3: Cross multiply
    84,068,710.32x = 116,014,767.84 × 45,437,542.32
  4. Step 4: Simplify right side
    84,068,710.32x = 5,271,425,923,474,975
  5. Step 5: Solve for x
    x = 5,271,425,923,474,975/84,068,710.32
  6. Step 6: Final answer
    x = 62,703,780.08

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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.