Home / 141,804,605.70-212,706,908.55-121,397,271.30

Finding the Fourth Proportional to 141,804,605.70, 212,706,908.55 and 121,397,271.30

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Solution

The fourth proportional to 141,804,605.70, 212,706,908.55 and 121,397,271.30 is: 182,095,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,605.70 : 212,706,908.55 = 121,397,271.30 : x
  2. Step 2: Convert to fraction form
    141,804,605.70/212,706,908.55 = 121,397,271.30/x
  3. Step 3: Cross multiply
    141,804,605.70x = 212,706,908.55 × 121,397,271.30
  4. Step 4: Simplify right side
    141,804,605.70x = 25,822,038,284,628,640
  5. Step 5: Solve for x
    x = 25,822,038,284,628,640/141,804,605.70
  6. Step 6: Final answer
    x = 182,095,906.95

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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.