Home / 103,584,908.63-142,947,186.28-57,175,174.86

Finding the Fourth Proportional to 103,584,908.63, 142,947,186.28 and 57,175,174.86

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Solution

The fourth proportional to 103,584,908.63, 142,947,186.28 and 57,175,174.86 is: 78,901,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584,908.63 : 142,947,186.28 = 57,175,174.86 : x
  2. Step 2: Convert to fraction form
    103,584,908.63/142,947,186.28 = 57,175,174.86/x
  3. Step 3: Cross multiply
    103,584,908.63x = 142,947,186.28 × 57,175,174.86
  4. Step 4: Simplify right side
    103,584,908.63x = 8,173,030,370,625,289
  5. Step 5: Solve for x
    x = 8,173,030,370,625,289/103,584,908.63
  6. Step 6: Final answer
    x = 78,901,748.13

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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.