Home / 102,697,932.39-141,723,267.84-55,655,005.61

Finding the Fourth Proportional to 102,697,932.39, 141,723,267.84 and 55,655,005.61

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Solution

The fourth proportional to 102,697,932.39, 141,723,267.84 and 55,655,005.61 is: 76,803,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,697,932.39 : 141,723,267.84 = 55,655,005.61 : x
  2. Step 2: Convert to fraction form
    102,697,932.39/141,723,267.84 = 55,655,005.61/x
  3. Step 3: Cross multiply
    102,697,932.39x = 141,723,267.84 × 55,655,005.61
  4. Step 4: Simplify right side
    102,697,932.39x = 7,887,609,265,994,116
  5. Step 5: Solve for x
    x = 7,887,609,265,994,116/102,697,932.39
  6. Step 6: Final answer
    x = 76,803,973.39

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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.