Home / 113,542,028.87-156,688,062.89-61,331,064.94

Finding the Fourth Proportional to 113,542,028.87, 156,688,062.89 and 61,331,064.94

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Solution

The fourth proportional to 113,542,028.87, 156,688,062.89 and 61,331,064.94 is: 84,636,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542,028.87 : 156,688,062.89 = 61,331,064.94 : x
  2. Step 2: Convert to fraction form
    113,542,028.87/156,688,062.89 = 61,331,064.94/x
  3. Step 3: Cross multiply
    113,542,028.87x = 156,688,062.89 × 61,331,064.94
  4. Step 4: Simplify right side
    113,542,028.87x = 9,609,845,760,429,392
  5. Step 5: Solve for x
    x = 9,609,845,760,429,392/113,542,028.87
  6. Step 6: Final answer
    x = 84,636,903.67

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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.