Home / 78,005,903.10-117,022,851.45-32,572,290.30

Finding the Fourth Proportional to 78,005,903.10, 117,022,851.45 and 32,572,290.30

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Solution

The fourth proportional to 78,005,903.10, 117,022,851.45 and 32,572,290.30 is: 48,864,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005,903.10 : 117,022,851.45 = 32,572,290.30 : x
  2. Step 2: Convert to fraction form
    78,005,903.10/117,022,851.45 = 32,572,290.30/x
  3. Step 3: Cross multiply
    78,005,903.10x = 117,022,851.45 × 32,572,290.30
  4. Step 4: Simplify right side
    78,005,903.10x = 3,811,702,289,163,176
  5. Step 5: Solve for x
    x = 3,811,702,289,163,176/78,005,903.10
  6. Step 6: Final answer
    x = 48,864,279.98

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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.