Home / 130,410,010.80-195,615,016.20-97,885,821.60

Finding the Fourth Proportional to 130,410,010.80, 195,615,016.20 and 97,885,821.60

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Solution

The fourth proportional to 130,410,010.80, 195,615,016.20 and 97,885,821.60 is: 146,828,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410,010.80 : 195,615,016.20 = 97,885,821.60 : x
  2. Step 2: Convert to fraction form
    130,410,010.80/195,615,016.20 = 97,885,821.60/x
  3. Step 3: Cross multiply
    130,410,010.80x = 195,615,016.20 × 97,885,821.60
  4. Step 4: Simplify right side
    130,410,010.80x = 19,147,936,578,034,308
  5. Step 5: Solve for x
    x = 19,147,936,578,034,308/130,410,010.80
  6. Step 6: Final answer
    x = 146,828,732.40

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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.