Home / 76,642,669.39-114,958,443.11-29,947,374.98

Finding the Fourth Proportional to 76,642,669.39, 114,958,443.11 and 29,947,374.98

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Solution

The fourth proportional to 76,642,669.39, 114,958,443.11 and 29,947,374.98 is: 44,918,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,642,669.39 : 114,958,443.11 = 29,947,374.98 : x
  2. Step 2: Convert to fraction form
    76,642,669.39/114,958,443.11 = 29,947,374.98/x
  3. Step 3: Cross multiply
    76,642,669.39x = 114,958,443.11 × 29,947,374.98
  4. Step 4: Simplify right side
    76,642,669.39x = 3,442,703,602,638,733
  5. Step 5: Solve for x
    x = 3,442,703,602,638,733/76,642,669.39
  6. Step 6: Final answer
    x = 44,918,889.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.