Home / 113,910,762.11-157,196,857.10-61,699,797.77

Finding the Fourth Proportional to 113,910,762.11, 157,196,857.10 and 61,699,797.77

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Solution

The fourth proportional to 113,910,762.11, 157,196,857.10 and 61,699,797.77 is: 85,145,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910,762.11 : 157,196,857.10 = 61,699,797.77 : x
  2. Step 2: Convert to fraction form
    113,910,762.11/157,196,857.10 = 61,699,797.77/x
  3. Step 3: Cross multiply
    113,910,762.11x = 157,196,857.10 × 61,699,797.77
  4. Step 4: Simplify right side
    113,910,762.11x = 9,699,014,293,425,026
  5. Step 5: Solve for x
    x = 9,699,014,293,425,026/113,910,762.11
  6. Step 6: Final answer
    x = 85,145,723.84

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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.