Home / 117,695,776.15-162,442,657.34-77,933,173.69

Finding the Fourth Proportional to 117,695,776.15, 162,442,657.34 and 77,933,173.69

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Solution

The fourth proportional to 117,695,776.15, 162,442,657.34 and 77,933,173.69 is: 107,562,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,695,776.15 : 162,442,657.34 = 77,933,173.69 : x
  2. Step 2: Convert to fraction form
    117,695,776.15/162,442,657.34 = 77,933,173.69/x
  3. Step 3: Cross multiply
    117,695,776.15x = 162,442,657.34 × 77,933,173.69
  4. Step 4: Simplify right side
    117,695,776.15x = 12,659,671,829,143,374
  5. Step 5: Solve for x
    x = 12,659,671,829,143,374/117,695,776.15
  6. Step 6: Final answer
    x = 107,562,669.14

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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.