Home / 45,870,218.81-68,829,316.86-18,579,394.86

Finding the Fourth Proportional to 45,870,218.81, 68,829,316.86 and 18,579,394.86

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Solution

The fourth proportional to 45,870,218.81, 68,829,316.86 and 18,579,394.86 is: 27,878,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870,218.81 : 68,829,316.86 = 18,579,394.86 : x
  2. Step 2: Convert to fraction form
    45,870,218.81/68,829,316.86 = 18,579,394.86/x
  3. Step 3: Cross multiply
    45,870,218.81x = 68,829,316.86 × 18,579,394.86
  4. Step 4: Simplify right side
    45,870,218.81x = 1,278,807,055,885,995.25
  5. Step 5: Solve for x
    x = 1,278,807,055,885,995.25/45,870,218.81
  6. Step 6: Final answer
    x = 27,878,808.72

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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.