Home / 141,804,650.70-212,706,976.05-121,397,316.30

Finding the Fourth Proportional to 141,804,650.70, 212,706,976.05 and 121,397,316.30

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Solution

The fourth proportional to 141,804,650.70, 212,706,976.05 and 121,397,316.30 is: 182,095,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,650.70 : 212,706,976.05 = 121,397,316.30 : x
  2. Step 2: Convert to fraction form
    141,804,650.70/212,706,976.05 = 121,397,316.30/x
  3. Step 3: Cross multiply
    141,804,650.70x = 212,706,976.05 × 121,397,316.30
  4. Step 4: Simplify right side
    141,804,650.70x = 25,822,056,050,758,376
  5. Step 5: Solve for x
    x = 25,822,056,050,758,376/141,804,650.70
  6. Step 6: Final answer
    x = 182,095,974.45

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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.