Home / 42,878,497.16-64,321,944.78-14,112,895.88

Finding the Fourth Proportional to 42,878,497.16, 64,321,944.78 and 14,112,895.88

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Solution

The fourth proportional to 42,878,497.16, 64,321,944.78 and 14,112,895.88 is: 21,170,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878,497.16 : 64,321,944.78 = 14,112,895.88 : x
  2. Step 2: Convert to fraction form
    42,878,497.16/64,321,944.78 = 14,112,895.88/x
  3. Step 3: Cross multiply
    42,878,497.16x = 64,321,944.78 × 14,112,895.88
  4. Step 4: Simplify right side
    42,878,497.16x = 907,768,909,479,249.62
  5. Step 5: Solve for x
    x = 907,768,909,479,249.62/42,878,497.16
  6. Step 6: Final answer
    x = 21,170,725.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.