Home / 185,413,955.74-255,884,191.65-122,580,886.78

Finding the Fourth Proportional to 185,413,955.74, 255,884,191.65 and 122,580,886.78

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Solution

The fourth proportional to 185,413,955.74, 255,884,191.65 and 122,580,886.78 is: 169,170,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,413,955.74 : 255,884,191.65 = 122,580,886.78 : x
  2. Step 2: Convert to fraction form
    185,413,955.74/255,884,191.65 = 122,580,886.78/x
  3. Step 3: Cross multiply
    185,413,955.74x = 255,884,191.65 × 122,580,886.78
  4. Step 4: Simplify right side
    185,413,955.74x = 31,366,511,125,440,472
  5. Step 5: Solve for x
    x = 31,366,511,125,440,472/185,413,955.74
  6. Step 6: Final answer
    x = 169,170,173.84

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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.