Home / 72,569,885.55-100,143,609.89-44,359,488.24

Finding the Fourth Proportional to 72,569,885.55, 100,143,609.89 and 44,359,488.24

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Solution

The fourth proportional to 72,569,885.55, 100,143,609.89 and 44,359,488.24 is: 61,214,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,569,885.55 : 100,143,609.89 = 44,359,488.24 : x
  2. Step 2: Convert to fraction form
    72,569,885.55/100,143,609.89 = 44,359,488.24/x
  3. Step 3: Cross multiply
    72,569,885.55x = 100,143,609.89 × 44,359,488.24
  4. Step 4: Simplify right side
    72,569,885.55x = 4,442,319,285,598,828.50
  5. Step 5: Solve for x
    x = 4,442,319,285,598,828.50/72,569,885.55
  6. Step 6: Final answer
    x = 61,214,362.56

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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.