Home / 129,301,190.73-178,439,422.64-70,567,625.39

Finding the Fourth Proportional to 129,301,190.73, 178,439,422.64 and 70,567,625.39

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Solution

The fourth proportional to 129,301,190.73, 178,439,422.64 and 70,567,625.39 is: 97,385,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,190.73 : 178,439,422.64 = 70,567,625.39 : x
  2. Step 2: Convert to fraction form
    129,301,190.73/178,439,422.64 = 70,567,625.39/x
  3. Step 3: Cross multiply
    129,301,190.73x = 178,439,422.64 × 70,567,625.39
  4. Step 4: Simplify right side
    129,301,190.73x = 12,592,046,330,422,370
  5. Step 5: Solve for x
    x = 12,592,046,330,422,370/129,301,190.73
  6. Step 6: Final answer
    x = 97,385,385.70

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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.