Home / 141,778,667.15-212,546,698.85-54,402,887.31

Finding the Fourth Proportional to 141,778,667.15, 212,546,698.85 and 54,402,887.31

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Solution

The fourth proportional to 141,778,667.15, 212,546,698.85 and 54,402,887.31 is: 81,557,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,778,667.15 : 212,546,698.85 = 54,402,887.31 : x
  2. Step 2: Convert to fraction form
    141,778,667.15/212,546,698.85 = 54,402,887.31/x
  3. Step 3: Cross multiply
    141,778,667.15x = 212,546,698.85 × 54,402,887.31
  4. Step 4: Simplify right side
    141,778,667.15x = 11,563,154,105,599,838
  5. Step 5: Solve for x
    x = 11,563,154,105,599,838/141,778,667.15
  6. Step 6: Final answer
    x = 81,557,785.37

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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.