Home / 205,416,641.72-308,121,852.18-49,971,913.40

Finding the Fourth Proportional to 205,416,641.72, 308,121,852.18 and 49,971,913.40

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Solution

The fourth proportional to 205,416,641.72, 308,121,852.18 and 49,971,913.40 is: 74,957,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,416,641.72 : 308,121,852.18 = 49,971,913.40 : x
  2. Step 2: Convert to fraction form
    205,416,641.72/308,121,852.18 = 49,971,913.40/x
  3. Step 3: Cross multiply
    205,416,641.72x = 308,121,852.18 × 49,971,913.40
  4. Step 4: Simplify right side
    205,416,641.72x = 15,397,438,513,786,562
  5. Step 5: Solve for x
    x = 15,397,438,513,786,562/205,416,641.72
  6. Step 6: Final answer
    x = 74,957,113.43

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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.