Home / 100,582,027.32-151,545,153.63-90,877,919.52

Finding the Fourth Proportional to 100,582,027.32, 151,545,153.63 and 90,877,919.52

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Solution

The fourth proportional to 100,582,027.32, 151,545,153.63 and 90,877,919.52 is: 136,924,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,582,027.32 : 151,545,153.63 = 90,877,919.52 : x
  2. Step 2: Convert to fraction form
    100,582,027.32/151,545,153.63 = 90,877,919.52/x
  3. Step 3: Cross multiply
    100,582,027.32x = 151,545,153.63 × 90,877,919.52
  4. Step 4: Simplify right side
    100,582,027.32x = 13,772,108,275,233,174
  5. Step 5: Solve for x
    x = 13,772,108,275,233,174/100,582,027.32
  6. Step 6: Final answer
    x = 136,924,146.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.