Home / 113,543,163.90-156,689,542.11-61,332,200.91

Finding the Fourth Proportional to 113,543,163.90, 156,689,542.11 and 61,332,200.91

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Solution

The fourth proportional to 113,543,163.90, 156,689,542.11 and 61,332,200.91 is: 84,638,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,543,163.90 : 156,689,542.11 = 61,332,200.91 : x
  2. Step 2: Convert to fraction form
    113,543,163.90/156,689,542.11 = 61,332,200.91/x
  3. Step 3: Cross multiply
    113,543,163.90x = 156,689,542.11 × 61,332,200.91
  4. Step 4: Simplify right side
    113,543,163.90x = 9,610,114,477,186,426
  5. Step 5: Solve for x
    x = 9,610,114,477,186,426/113,543,163.90
  6. Step 6: Final answer
    x = 84,638,424.25

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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.