Home / 57,301,372.34-79,076,372.28-31,196,071.88

Finding the Fourth Proportional to 57,301,372.34, 79,076,372.28 and 31,196,071.88

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Solution

The fourth proportional to 57,301,372.34, 79,076,372.28 and 31,196,071.88 is: 43,050,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301,372.34 : 79,076,372.28 = 31,196,071.88 : x
  2. Step 2: Convert to fraction form
    57,301,372.34/79,076,372.28 = 31,196,071.88/x
  3. Step 3: Cross multiply
    57,301,372.34x = 79,076,372.28 × 31,196,071.88
  4. Step 4: Simplify right side
    57,301,372.34x = 2,466,872,193,656,519.50
  5. Step 5: Solve for x
    x = 2,466,872,193,656,519.50/57,301,372.34
  6. Step 6: Final answer
    x = 43,050,839.67

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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.