Home / 66,827,431-100,241,225.78-18,305,703.12

Finding the Fourth Proportional to 66,827,431, 100,241,225.78 and 18,305,703.12

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Solution

The fourth proportional to 66,827,431, 100,241,225.78 and 18,305,703.12 is: 27,458,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827,431 : 100,241,225.78 = 18,305,703.12 : x
  2. Step 2: Convert to fraction form
    66,827,431/100,241,225.78 = 18,305,703.12/x
  3. Step 3: Cross multiply
    66,827,431x = 100,241,225.78 × 18,305,703.12
  4. Step 4: Simplify right side
    66,827,431x = 1,834,986,119,513,570.50
  5. Step 5: Solve for x
    x = 1,834,986,119,513,570.50/66,827,431
  6. Step 6: Final answer
    x = 27,458,576.40

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1.5x scale

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.