Home / 74,430,215.70-111,678,501.15-34,019,898.90

Finding the Fourth Proportional to 74,430,215.70, 111,678,501.15 and 34,019,898.90

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Solution

The fourth proportional to 74,430,215.70, 111,678,501.15 and 34,019,898.90 is: 51,045,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430,215.70 : 111,678,501.15 = 34,019,898.90 : x
  2. Step 2: Convert to fraction form
    74,430,215.70/111,678,501.15 = 34,019,898.90/x
  3. Step 3: Cross multiply
    74,430,215.70x = 111,678,501.15 × 34,019,898.90
  4. Step 4: Simplify right side
    74,430,215.70x = 3,799,291,318,426,534
  5. Step 5: Solve for x
    x = 3,799,291,318,426,534/74,430,215.70
  6. Step 6: Final answer
    x = 51,045,012.87

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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.