Home / 66,026,101.20-99,039,151.80-49,019,989.20

Finding the Fourth Proportional to 66,026,101.20, 99,039,151.80 and 49,019,989.20

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Solution

The fourth proportional to 66,026,101.20, 99,039,151.80 and 49,019,989.20 is: 73,529,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026,101.20 : 99,039,151.80 = 49,019,989.20 : x
  2. Step 2: Convert to fraction form
    66,026,101.20/99,039,151.80 = 49,019,989.20/x
  3. Step 3: Cross multiply
    66,026,101.20x = 99,039,151.80 × 49,019,989.20
  4. Step 4: Simplify right side
    66,026,101.20x = 4,854,898,151,613,161
  5. Step 5: Solve for x
    x = 4,854,898,151,613,161/66,026,101.20
  6. Step 6: Final answer
    x = 73,529,983.80

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Double scale
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Similar ratio
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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.