Home / 141,552,749.80-212,329,124.70-127,947,860.20

Finding the Fourth Proportional to 141,552,749.80, 212,329,124.70 and 127,947,860.20

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Solution

The fourth proportional to 141,552,749.80, 212,329,124.70 and 127,947,860.20 is: 191,921,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,552,749.80 : 212,329,124.70 = 127,947,860.20 : x
  2. Step 2: Convert to fraction form
    141,552,749.80/212,329,124.70 = 127,947,860.20/x
  3. Step 3: Cross multiply
    141,552,749.80x = 212,329,124.70 × 127,947,860.20
  4. Step 4: Simplify right side
    141,552,749.80x = 27,167,057,163,503,968
  5. Step 5: Solve for x
    x = 27,167,057,163,503,968/141,552,749.80
  6. Step 6: Final answer
    x = 191,921,790.30

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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.