Home / 147,842,355.60-203,999,785.20-85,106,326.74

Finding the Fourth Proportional to 147,842,355.60, 203,999,785.20 and 85,106,326.74

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Solution

The fourth proportional to 147,842,355.60, 203,999,785.20 and 85,106,326.74 is: 117,433,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,842,355.60 : 203,999,785.20 = 85,106,326.74 : x
  2. Step 2: Convert to fraction form
    147,842,355.60/203,999,785.20 = 85,106,326.74/x
  3. Step 3: Cross multiply
    147,842,355.60x = 203,999,785.20 × 85,106,326.74
  4. Step 4: Simplify right side
    147,842,355.60x = 17,361,672,374,121,014
  5. Step 5: Solve for x
    x = 17,361,672,374,121,014/147,842,355.60
  6. Step 6: Final answer
    x = 117,433,683.36

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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.