Home / 145,373,940.99-200,616,666.75-79,295,857.38

Finding the Fourth Proportional to 145,373,940.99, 200,616,666.75 and 79,295,857.38

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Solution

The fourth proportional to 145,373,940.99, 200,616,666.75 and 79,295,857.38 is: 109,428,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,373,940.99 : 200,616,666.75 = 79,295,857.38 : x
  2. Step 2: Convert to fraction form
    145,373,940.99/200,616,666.75 = 79,295,857.38/x
  3. Step 3: Cross multiply
    145,373,940.99x = 200,616,666.75 × 79,295,857.38
  4. Step 4: Simplify right side
    145,373,940.99x = 15,908,070,594,658,988
  5. Step 5: Solve for x
    x = 15,908,070,594,658,988/145,373,940.99
  6. Step 6: Final answer
    x = 109,428,625.83

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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.