Home / 292,421,411.92-438,628,736.28-71,094,005.51

Finding the Fourth Proportional to 292,421,411.92, 438,628,736.28 and 71,094,005.51

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Solution

The fourth proportional to 292,421,411.92, 438,628,736.28 and 71,094,005.51 is: 106,640,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,421,411.92 : 438,628,736.28 = 71,094,005.51 : x
  2. Step 2: Convert to fraction form
    292,421,411.92/438,628,736.28 = 71,094,005.51/x
  3. Step 3: Cross multiply
    292,421,411.92x = 438,628,736.28 × 71,094,005.51
  4. Step 4: Simplify right side
    292,421,411.92x = 31,183,873,792,008,112
  5. Step 5: Solve for x
    x = 31,183,873,792,008,112/292,421,411.92
  6. Step 6: Final answer
    x = 106,640,186.12

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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.