Home / 159,043,678.40-238,565,517.60-118,229,009.60

Finding the Fourth Proportional to 159,043,678.40, 238,565,517.60 and 118,229,009.60

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Solution

The fourth proportional to 159,043,678.40, 238,565,517.60 and 118,229,009.60 is: 177,343,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,043,678.40 : 238,565,517.60 = 118,229,009.60 : x
  2. Step 2: Convert to fraction form
    159,043,678.40/238,565,517.60 = 118,229,009.60/x
  3. Step 3: Cross multiply
    159,043,678.40x = 238,565,517.60 × 118,229,009.60
  4. Step 4: Simplify right side
    159,043,678.40x = 28,205,364,870,559,368
  5. Step 5: Solve for x
    x = 28,205,364,870,559,368/159,043,678.40
  6. Step 6: Final answer
    x = 177,343,514.40

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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.