Home / 103,170,883.98-142,375,815.08-56,760,141.45

Finding the Fourth Proportional to 103,170,883.98, 142,375,815.08 and 56,760,141.45

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Solution

The fourth proportional to 103,170,883.98, 142,375,815.08 and 56,760,141.45 is: 78,328,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170,883.98 : 142,375,815.08 = 56,760,141.45 : x
  2. Step 2: Convert to fraction form
    103,170,883.98/142,375,815.08 = 56,760,141.45/x
  3. Step 3: Cross multiply
    103,170,883.98x = 142,375,815.08 × 56,760,141.45
  4. Step 4: Simplify right side
    103,170,883.98x = 8,081,271,402,999,844
  5. Step 5: Solve for x
    x = 8,081,271,402,999,844/103,170,883.98
  6. Step 6: Final answer
    x = 78,328,992.55

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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.