Home / 102,165,140.58-140,985,926.62-55,755,726.63

Finding the Fourth Proportional to 102,165,140.58, 140,985,926.62 and 55,755,726.63

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Solution

The fourth proportional to 102,165,140.58, 140,985,926.62 and 55,755,726.63 is: 76,941,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,165,140.58 : 140,985,926.62 = 55,755,726.63 : x
  2. Step 2: Convert to fraction form
    102,165,140.58/140,985,926.62 = 55,755,726.63/x
  3. Step 3: Cross multiply
    102,165,140.58x = 140,985,926.62 × 55,755,726.63
  4. Step 4: Simplify right side
    102,165,140.58x = 7,860,772,783,301,961
  5. Step 5: Solve for x
    x = 7,860,772,783,301,961/102,165,140.58
  6. Step 6: Final answer
    x = 76,941,829.07

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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.