Home / 374,349,871.78-561,575,907.57-155,949,138.86

Finding the Fourth Proportional to 374,349,871.78, 561,575,907.57 and 155,949,138.86

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Solution

The fourth proportional to 374,349,871.78, 561,575,907.57 and 155,949,138.86 is: 233,944,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,349,871.78 : 561,575,907.57 = 155,949,138.86 : x
  2. Step 2: Convert to fraction form
    374,349,871.78/561,575,907.57 = 155,949,138.86/x
  3. Step 3: Cross multiply
    374,349,871.78x = 561,575,907.57 × 155,949,138.86
  4. Step 4: Simplify right side
    374,349,871.78x = 87,577,279,190,064,464
  5. Step 5: Solve for x
    x = 87,577,279,190,064,464/374,349,871.78
  6. Step 6: Final answer
    x = 233,944,995.82

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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.