Home / 234,399,199.86-323,476,835.16-128,556,829.32

Finding the Fourth Proportional to 234,399,199.86, 323,476,835.16 and 128,556,829.32

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Solution

The fourth proportional to 234,399,199.86, 323,476,835.16 and 128,556,829.32 is: 177,411,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,399,199.86 : 323,476,835.16 = 128,556,829.32 : x
  2. Step 2: Convert to fraction form
    234,399,199.86/323,476,835.16 = 128,556,829.32/x
  3. Step 3: Cross multiply
    234,399,199.86x = 323,476,835.16 × 128,556,829.32
  4. Step 4: Simplify right side
    234,399,199.86x = 41,585,156,286,637,896
  5. Step 5: Solve for x
    x = 41,585,156,286,637,896/234,399,199.86
  6. Step 6: Final answer
    x = 177,411,681.91

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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.