Home / 64,519,477.20-96,779,215.80-40,631,605.20

Finding the Fourth Proportional to 64,519,477.20, 96,779,215.80 and 40,631,605.20

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Solution

The fourth proportional to 64,519,477.20, 96,779,215.80 and 40,631,605.20 is: 60,947,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519,477.20 : 96,779,215.80 = 40,631,605.20 : x
  2. Step 2: Convert to fraction form
    64,519,477.20/96,779,215.80 = 40,631,605.20/x
  3. Step 3: Cross multiply
    64,519,477.20x = 96,779,215.80 × 40,631,605.20
  4. Step 4: Simplify right side
    64,519,477.20x = 3,932,294,887,951,202.50
  5. Step 5: Solve for x
    x = 3,932,294,887,951,202.50/64,519,477.20
  6. Step 6: Final answer
    x = 60,947,407.80

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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.