Home / 121,088,101.60-181,632,152.40-63,558,143.20

Finding the Fourth Proportional to 121,088,101.60, 181,632,152.40 and 63,558,143.20

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Solution

The fourth proportional to 121,088,101.60, 181,632,152.40 and 63,558,143.20 is: 95,337,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088,101.60 : 181,632,152.40 = 63,558,143.20 : x
  2. Step 2: Convert to fraction form
    121,088,101.60/181,632,152.40 = 63,558,143.20/x
  3. Step 3: Cross multiply
    121,088,101.60x = 181,632,152.40 × 63,558,143.20
  4. Step 4: Simplify right side
    121,088,101.60x = 11,544,202,351,963,424
  5. Step 5: Solve for x
    x = 11,544,202,351,963,424/121,088,101.60
  6. Step 6: Final answer
    x = 95,337,214.80

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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.