Home / 159,043,687.40-238,565,531.10-118,229,018.60

Finding the Fourth Proportional to 159,043,687.40, 238,565,531.10 and 118,229,018.60

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Solution

The fourth proportional to 159,043,687.40, 238,565,531.10 and 118,229,018.60 is: 177,343,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,043,687.40 : 238,565,531.10 = 118,229,018.60 : x
  2. Step 2: Convert to fraction form
    159,043,687.40/238,565,531.10 = 118,229,018.60/x
  3. Step 3: Cross multiply
    159,043,687.40x = 238,565,531.10 × 118,229,018.60
  4. Step 4: Simplify right side
    159,043,687.40x = 28,205,368,613,740,776
  5. Step 5: Solve for x
    x = 28,205,368,613,740,776/159,043,687.40
  6. Step 6: Final answer
    x = 177,343,527.90

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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.