Home / 234,115,880.76-323,064,764.15-128,269,151.01

Finding the Fourth Proportional to 234,115,880.76, 323,064,764.15 and 128,269,151.01

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Solution

The fourth proportional to 234,115,880.76, 323,064,764.15 and 128,269,151.01 is: 177,003,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,115,880.76 : 323,064,764.15 = 128,269,151.01 : x
  2. Step 2: Convert to fraction form
    234,115,880.76/323,064,764.15 = 128,269,151.01/x
  3. Step 3: Cross multiply
    234,115,880.76x = 323,064,764.15 × 128,269,151.01
  4. Step 4: Simplify right side
    234,115,880.76x = 41,439,243,018,125,040
  5. Step 5: Solve for x
    x = 41,439,243,018,125,040/234,115,880.76
  6. Step 6: Final answer
    x = 177,003,127.18

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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.