Home / 105,495,631.80-145,589,163.66-63,679,032.42

Finding the Fourth Proportional to 105,495,631.80, 145,589,163.66 and 63,679,032.42

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Solution

The fourth proportional to 105,495,631.80, 145,589,163.66 and 63,679,032.42 is: 87,880,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,495,631.80 : 145,589,163.66 = 63,679,032.42 : x
  2. Step 2: Convert to fraction form
    105,495,631.80/145,589,163.66 = 63,679,032.42/x
  3. Step 3: Cross multiply
    105,495,631.80x = 145,589,163.66 × 63,679,032.42
  4. Step 4: Simplify right side
    105,495,631.80x = 9,270,977,072,705,826
  5. Step 5: Solve for x
    x = 9,270,977,072,705,826/105,495,631.80
  6. Step 6: Final answer
    x = 87,880,198.59

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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.