Home / 145,168,270.40-217,752,405.60-72,608,859.20

Finding the Fourth Proportional to 145,168,270.40, 217,752,405.60 and 72,608,859.20

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Solution

The fourth proportional to 145,168,270.40, 217,752,405.60 and 72,608,859.20 is: 108,913,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,168,270.40 : 217,752,405.60 = 72,608,859.20 : x
  2. Step 2: Convert to fraction form
    145,168,270.40/217,752,405.60 = 72,608,859.20/x
  3. Step 3: Cross multiply
    145,168,270.40x = 217,752,405.60 × 72,608,859.20
  4. Step 4: Simplify right side
    145,168,270.40x = 15,810,753,758,671,692
  5. Step 5: Solve for x
    x = 15,810,753,758,671,692/145,168,270.40
  6. Step 6: Final answer
    x = 108,913,288.80

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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.