Home / 103,175,222.69-142,382,937.24-56,132,563.52

Finding the Fourth Proportional to 103,175,222.69, 142,382,937.24 and 56,132,563.52

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Solution

The fourth proportional to 103,175,222.69, 142,382,937.24 and 56,132,563.52 is: 77,463,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,175,222.69 : 142,382,937.24 = 56,132,563.52 : x
  2. Step 2: Convert to fraction form
    103,175,222.69/142,382,937.24 = 56,132,563.52/x
  3. Step 3: Cross multiply
    103,175,222.69x = 142,382,937.24 × 56,132,563.52
  4. Step 4: Simplify right side
    103,175,222.69x = 7,992,319,269,144,431
  5. Step 5: Solve for x
    x = 7,992,319,269,144,431/103,175,222.69
  6. Step 6: Final answer
    x = 77,463,552.40

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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.