Home / 129,300,480.36-193,945,996.62-38,421,707.40

Finding the Fourth Proportional to 129,300,480.36, 193,945,996.62 and 38,421,707.40

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Solution

The fourth proportional to 129,300,480.36, 193,945,996.62 and 38,421,707.40 is: 57,631,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300,480.36 : 193,945,996.62 = 38,421,707.40 : x
  2. Step 2: Convert to fraction form
    129,300,480.36/193,945,996.62 = 38,421,707.40/x
  3. Step 3: Cross multiply
    129,300,480.36x = 193,945,996.62 × 38,421,707.40
  4. Step 4: Simplify right side
    129,300,480.36x = 7,451,736,333,535,029
  5. Step 5: Solve for x
    x = 7,451,736,333,535,029/129,300,480.36
  6. Step 6: Final answer
    x = 57,631,157.38

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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.