Home / 117,415,909.80-176,123,864.70-81,584,101.80

Finding the Fourth Proportional to 117,415,909.80, 176,123,864.70 and 81,584,101.80

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Solution

The fourth proportional to 117,415,909.80, 176,123,864.70 and 81,584,101.80 is: 122,376,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,415,909.80 : 176,123,864.70 = 81,584,101.80 : x
  2. Step 2: Convert to fraction form
    117,415,909.80/176,123,864.70 = 81,584,101.80/x
  3. Step 3: Cross multiply
    117,415,909.80x = 176,123,864.70 × 81,584,101.80
  4. Step 4: Simplify right side
    117,415,909.80x = 14,368,907,307,094,224
  5. Step 5: Solve for x
    x = 14,368,907,307,094,224/117,415,909.80
  6. Step 6: Final answer
    x = 122,376,152.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.