Home / 129,057,210.14-178,096,707.59-70,320,357.90

Finding the Fourth Proportional to 129,057,210.14, 178,096,707.59 and 70,320,357.90

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Solution

The fourth proportional to 129,057,210.14, 178,096,707.59 and 70,320,357.90 is: 97,040,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057,210.14 : 178,096,707.59 = 70,320,357.90 : x
  2. Step 2: Convert to fraction form
    129,057,210.14/178,096,707.59 = 70,320,357.90/x
  3. Step 3: Cross multiply
    129,057,210.14x = 178,096,707.59 × 70,320,357.90
  4. Step 4: Simplify right side
    129,057,210.14x = 12,523,824,218,188,846
  5. Step 5: Solve for x
    x = 12,523,824,218,188,846/129,057,210.14
  6. Step 6: Final answer
    x = 97,040,872.07

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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.