Home / 141,804,613.95-212,706,920.93-121,397,279.55

Finding the Fourth Proportional to 141,804,613.95, 212,706,920.93 and 121,397,279.55

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Solution

The fourth proportional to 141,804,613.95, 212,706,920.93 and 121,397,279.55 is: 182,095,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,613.95 : 212,706,920.93 = 121,397,279.55 : x
  2. Step 2: Convert to fraction form
    141,804,613.95/212,706,920.93 = 121,397,279.55/x
  3. Step 3: Cross multiply
    141,804,613.95x = 212,706,920.93 × 121,397,279.55
  4. Step 4: Simplify right side
    141,804,613.95x = 25,822,041,541,751,972
  5. Step 5: Solve for x
    x = 25,822,041,541,751,972/141,804,613.95
  6. Step 6: Final answer
    x = 182,095,919.33

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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.