Home / 113,591,823.80-170,387,735.70-77,760,015.80

Finding the Fourth Proportional to 113,591,823.80, 170,387,735.70 and 77,760,015.80

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Solution

The fourth proportional to 113,591,823.80, 170,387,735.70 and 77,760,015.80 is: 116,640,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,591,823.80 : 170,387,735.70 = 77,760,015.80 : x
  2. Step 2: Convert to fraction form
    113,591,823.80/170,387,735.70 = 77,760,015.80/x
  3. Step 3: Cross multiply
    113,591,823.80x = 170,387,735.70 × 77,760,015.80
  4. Step 4: Simplify right side
    113,591,823.80x = 13,249,353,020,158,222
  5. Step 5: Solve for x
    x = 13,249,353,020,158,222/113,591,823.80
  6. Step 6: Final answer
    x = 116,640,023.70

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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.