Home / 79,172,763.95-118,778,926.83-55,874,996.48

Finding the Fourth Proportional to 79,172,763.95, 118,778,926.83 and 55,874,996.48

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Solution

The fourth proportional to 79,172,763.95, 118,778,926.83 and 55,874,996.48 is: 83,826,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,172,763.95 : 118,778,926.83 = 55,874,996.48 : x
  2. Step 2: Convert to fraction form
    79,172,763.95/118,778,926.83 = 55,874,996.48/x
  3. Step 3: Cross multiply
    79,172,763.95x = 118,778,926.83 × 55,874,996.48
  4. Step 4: Simplify right side
    79,172,763.95x = 6,636,772,117,930,533
  5. Step 5: Solve for x
    x = 6,636,772,117,930,533/79,172,763.95
  6. Step 6: Final answer
    x = 83,826,454.79

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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.