Home / 130,400,999.80-195,601,499.70-84,484,497.40

Finding the Fourth Proportional to 130,400,999.80, 195,601,499.70 and 84,484,497.40

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Solution

The fourth proportional to 130,400,999.80, 195,601,499.70 and 84,484,497.40 is: 126,726,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400,999.80 : 195,601,499.70 = 84,484,497.40 : x
  2. Step 2: Convert to fraction form
    130,400,999.80/195,601,499.70 = 84,484,497.40/x
  3. Step 3: Cross multiply
    130,400,999.80x = 195,601,499.70 × 84,484,497.40
  4. Step 4: Simplify right side
    130,400,999.80x = 16,525,294,392,840,750
  5. Step 5: Solve for x
    x = 16,525,294,392,840,750/130,400,999.80
  6. Step 6: Final answer
    x = 126,726,746.10

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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.