Home / 118,940,909.52-164,196,126.36-79,768,356.96

Finding the Fourth Proportional to 118,940,909.52, 164,196,126.36 and 79,768,356.96

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Solution

The fourth proportional to 118,940,909.52, 164,196,126.36 and 79,768,356.96 is: 110,119,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,940,909.52 : 164,196,126.36 = 79,768,356.96 : x
  2. Step 2: Convert to fraction form
    118,940,909.52/164,196,126.36 = 79,768,356.96/x
  3. Step 3: Cross multiply
    118,940,909.52x = 164,196,126.36 × 79,768,356.96
  4. Step 4: Simplify right side
    118,940,909.52x = 13,097,655,218,933,746
  5. Step 5: Solve for x
    x = 13,097,655,218,933,746/118,940,909.52
  6. Step 6: Final answer
    x = 110,119,010.12

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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.