Home / 98,084,499.80-147,126,749.70-87,313,962.20

Finding the Fourth Proportional to 98,084,499.80, 147,126,749.70 and 87,313,962.20

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Solution

The fourth proportional to 98,084,499.80, 147,126,749.70 and 87,313,962.20 is: 130,970,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,084,499.80 : 147,126,749.70 = 87,313,962.20 : x
  2. Step 2: Convert to fraction form
    98,084,499.80/147,126,749.70 = 87,313,962.20/x
  3. Step 3: Cross multiply
    98,084,499.80x = 147,126,749.70 × 87,313,962.20
  4. Step 4: Simplify right side
    98,084,499.80x = 12,846,219,461,914,660
  5. Step 5: Solve for x
    x = 12,846,219,461,914,660/98,084,499.80
  6. Step 6: Final answer
    x = 130,970,943.30

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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.