Home / 160,512,112.80-240,768,169.20-99,896,637.60

Finding the Fourth Proportional to 160,512,112.80, 240,768,169.20 and 99,896,637.60

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Solution

The fourth proportional to 160,512,112.80, 240,768,169.20 and 99,896,637.60 is: 149,844,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512,112.80 : 240,768,169.20 = 99,896,637.60 : x
  2. Step 2: Convert to fraction form
    160,512,112.80/240,768,169.20 = 99,896,637.60/x
  3. Step 3: Cross multiply
    160,512,112.80x = 240,768,169.20 × 99,896,637.60
  4. Step 4: Simplify right side
    160,512,112.80x = 24,051,930,544,187,880
  5. Step 5: Solve for x
    x = 24,051,930,544,187,880/160,512,112.80
  6. Step 6: Final answer
    x = 149,844,956.40

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1.5x scale

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.