Home / 103,175,224.45-142,382,939.67-56,132,565.28

Finding the Fourth Proportional to 103,175,224.45, 142,382,939.67 and 56,132,565.28

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Solution

The fourth proportional to 103,175,224.45, 142,382,939.67 and 56,132,565.28 is: 77,463,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,175,224.45 : 142,382,939.67 = 56,132,565.28 : x
  2. Step 2: Convert to fraction form
    103,175,224.45/142,382,939.67 = 56,132,565.28/x
  3. Step 3: Cross multiply
    103,175,224.45x = 142,382,939.67 × 56,132,565.28
  4. Step 4: Simplify right side
    103,175,224.45x = 7,992,319,655,784,576
  5. Step 5: Solve for x
    x = 7,992,319,655,784,576/103,175,224.45
  6. Step 6: Final answer
    x = 77,463,554.83

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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.