Home / 161,525,331.60-242,287,997.40-97,028,077.20

Finding the Fourth Proportional to 161,525,331.60, 242,287,997.40 and 97,028,077.20

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Solution

The fourth proportional to 161,525,331.60, 242,287,997.40 and 97,028,077.20 is: 145,542,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,525,331.60 : 242,287,997.40 = 97,028,077.20 : x
  2. Step 2: Convert to fraction form
    161,525,331.60/242,287,997.40 = 97,028,077.20/x
  3. Step 3: Cross multiply
    161,525,331.60x = 242,287,997.40 × 97,028,077.20
  4. Step 4: Simplify right side
    161,525,331.60x = 23,508,738,516,360,600
  5. Step 5: Solve for x
    x = 23,508,738,516,360,600/161,525,331.60
  6. Step 6: Final answer
    x = 145,542,115.80

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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.