Home / 140,575,969.14-210,783,215.12-74,916,269.58

Finding the Fourth Proportional to 140,575,969.14, 210,783,215.12 and 74,916,269.58

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Solution

The fourth proportional to 140,575,969.14, 210,783,215.12 and 74,916,269.58 is: 112,331,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,575,969.14 : 210,783,215.12 = 74,916,269.58 : x
  2. Step 2: Convert to fraction form
    140,575,969.14/210,783,215.12 = 74,916,269.58/x
  3. Step 3: Cross multiply
    140,575,969.14x = 210,783,215.12 × 74,916,269.58
  4. Step 4: Simplify right side
    140,575,969.14x = 15,791,092,166,869,052
  5. Step 5: Solve for x
    x = 15,791,092,166,869,052/140,575,969.14
  6. Step 6: Final answer
    x = 112,331,376.86

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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.