Home / 188,867,632.76-260,638,367.13-109,529,733.81

Finding the Fourth Proportional to 188,867,632.76, 260,638,367.13 and 109,529,733.81

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Solution

The fourth proportional to 188,867,632.76, 260,638,367.13 and 109,529,733.81 is: 151,151,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867,632.76 : 260,638,367.13 = 109,529,733.81 : x
  2. Step 2: Convert to fraction form
    188,867,632.76/260,638,367.13 = 109,529,733.81/x
  3. Step 3: Cross multiply
    188,867,632.76x = 260,638,367.13 × 109,529,733.81
  4. Step 4: Simplify right side
    188,867,632.76x = 28,547,650,971,874,304
  5. Step 5: Solve for x
    x = 28,547,650,971,874,304/188,867,632.76
  6. Step 6: Final answer
    x = 151,151,632.26

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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.