Home / 103,320,518.22-142,581,093.28-56,277,443.95

Finding the Fourth Proportional to 103,320,518.22, 142,581,093.28 and 56,277,443.95

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Solution

The fourth proportional to 103,320,518.22, 142,581,093.28 and 56,277,443.95 is: 77,662,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320,518.22 : 142,581,093.28 = 56,277,443.95 : x
  2. Step 2: Convert to fraction form
    103,320,518.22/142,581,093.28 = 56,277,443.95/x
  3. Step 3: Cross multiply
    103,320,518.22x = 142,581,093.28 × 56,277,443.95
  4. Step 4: Simplify right side
    103,320,518.22x = 8,024,099,484,897,775
  5. Step 5: Solve for x
    x = 8,024,099,484,897,775/103,320,518.22
  6. Step 6: Final answer
    x = 77,662,207.11

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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.