Home / 65,930,394.48-90,953,245.08-42,733,031.28

Finding the Fourth Proportional to 65,930,394.48, 90,953,245.08 and 42,733,031.28

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Solution

The fourth proportional to 65,930,394.48, 90,953,245.08 and 42,733,031.28 is: 58,951,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930,394.48 : 90,953,245.08 = 42,733,031.28 : x
  2. Step 2: Convert to fraction form
    65,930,394.48/90,953,245.08 = 42,733,031.28/x
  3. Step 3: Cross multiply
    65,930,394.48x = 90,953,245.08 × 42,733,031.28
  4. Step 4: Simplify right side
    65,930,394.48x = 3,886,707,867,021,146
  5. Step 5: Solve for x
    x = 3,886,707,867,021,146/65,930,394.48
  6. Step 6: Final answer
    x = 58,951,685.30

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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.