Home / 217,762,853.52-326,708,052.72-64,412,993.64

Finding the Fourth Proportional to 217,762,853.52, 326,708,052.72 and 64,412,993.64

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Solution

The fourth proportional to 217,762,853.52, 326,708,052.72 and 64,412,993.64 is: 96,638,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,762,853.52 : 326,708,052.72 = 64,412,993.64 : x
  2. Step 2: Convert to fraction form
    217,762,853.52/326,708,052.72 = 64,412,993.64/x
  3. Step 3: Cross multiply
    217,762,853.52x = 326,708,052.72 × 64,412,993.64
  4. Step 4: Simplify right side
    217,762,853.52x = 21,044,243,721,990,148
  5. Step 5: Solve for x
    x = 21,044,243,721,990,148/217,762,853.52
  6. Step 6: Final answer
    x = 96,638,353.98

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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.