Home / 84,672,466.30-127,008,699.45-30,812,779.90

Finding the Fourth Proportional to 84,672,466.30, 127,008,699.45 and 30,812,779.90

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Solution

The fourth proportional to 84,672,466.30, 127,008,699.45 and 30,812,779.90 is: 46,219,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,672,466.30 : 127,008,699.45 = 30,812,779.90 : x
  2. Step 2: Convert to fraction form
    84,672,466.30/127,008,699.45 = 30,812,779.90/x
  3. Step 3: Cross multiply
    84,672,466.30x = 127,008,699.45 × 30,812,779.90
  4. Step 4: Simplify right side
    84,672,466.30x = 3,913,491,101,538,101
  5. Step 5: Solve for x
    x = 3,913,491,101,538,101/84,672,466.30
  6. Step 6: Final answer
    x = 46,219,169.85

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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.