Home / 133,218,790.86-183,793,140.78-80,307,196.08

Finding the Fourth Proportional to 133,218,790.86, 183,793,140.78 and 80,307,196.08

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Solution

The fourth proportional to 133,218,790.86, 183,793,140.78 and 80,307,196.08 is: 110,794,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,218,790.86 : 183,793,140.78 = 80,307,196.08 : x
  2. Step 2: Convert to fraction form
    133,218,790.86/183,793,140.78 = 80,307,196.08/x
  3. Step 3: Cross multiply
    133,218,790.86x = 183,793,140.78 × 80,307,196.08
  4. Step 4: Simplify right side
    133,218,790.86x = 14,759,911,794,778,504
  5. Step 5: Solve for x
    x = 14,759,911,794,778,504/133,218,790.86
  6. Step 6: Final answer
    x = 110,794,518.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.