Home / 131,233,346.64-181,107,520.65-75,478,782.51

Finding the Fourth Proportional to 131,233,346.64, 181,107,520.65 and 75,478,782.51

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Solution

The fourth proportional to 131,233,346.64, 181,107,520.65 and 75,478,782.51 is: 104,163,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233,346.64 : 181,107,520.65 = 75,478,782.51 : x
  2. Step 2: Convert to fraction form
    131,233,346.64/181,107,520.65 = 75,478,782.51/x
  3. Step 3: Cross multiply
    131,233,346.64x = 181,107,520.65 × 75,478,782.51
  4. Step 4: Simplify right side
    131,233,346.64x = 13,669,775,162,066,686
  5. Step 5: Solve for x
    x = 13,669,775,162,066,686/131,233,346.64
  6. Step 6: Final answer
    x = 104,163,884.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.