Home / 184,118,786.78-254,166,786.23-121,432,073.13

Finding the Fourth Proportional to 184,118,786.78, 254,166,786.23 and 121,432,073.13

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Solution

The fourth proportional to 184,118,786.78, 254,166,786.23 and 121,432,073.13 is: 167,630,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,118,786.78 : 254,166,786.23 = 121,432,073.13 : x
  2. Step 2: Convert to fraction form
    184,118,786.78/254,166,786.23 = 121,432,073.13/x
  3. Step 3: Cross multiply
    184,118,786.78x = 254,166,786.23 × 121,432,073.13
  4. Step 4: Simplify right side
    184,118,786.78x = 30,863,999,772,091,276
  5. Step 5: Solve for x
    x = 30,863,999,772,091,276/184,118,786.78
  6. Step 6: Final answer
    x = 167,630,909.98

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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.