Home / 129,655,345.26-194,483,345.94-52,978,373.49

Finding the Fourth Proportional to 129,655,345.26, 194,483,345.94 and 52,978,373.49

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Solution

The fourth proportional to 129,655,345.26, 194,483,345.94 and 52,978,373.49 is: 79,467,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655,345.26 : 194,483,345.94 = 52,978,373.49 : x
  2. Step 2: Convert to fraction form
    129,655,345.26/194,483,345.94 = 52,978,373.49/x
  3. Step 3: Cross multiply
    129,655,345.26x = 194,483,345.94 × 52,978,373.49
  4. Step 4: Simplify right side
    129,655,345.26x = 10,303,411,338,794,196
  5. Step 5: Solve for x
    x = 10,303,411,338,794,196/129,655,345.26
  6. Step 6: Final answer
    x = 79,467,694.28

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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.