Home / 159,042,956.40-238,564,434.60-118,228,287.60

Finding the Fourth Proportional to 159,042,956.40, 238,564,434.60 and 118,228,287.60

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Solution

The fourth proportional to 159,042,956.40, 238,564,434.60 and 118,228,287.60 is: 177,342,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,042,956.40 : 238,564,434.60 = 118,228,287.60 : x
  2. Step 2: Convert to fraction form
    159,042,956.40/238,564,434.60 = 118,228,287.60/x
  3. Step 3: Cross multiply
    159,042,956.40x = 238,564,434.60 × 118,228,287.60
  4. Step 4: Simplify right side
    159,042,956.40x = 28,205,064,585,020,188
  5. Step 5: Solve for x
    x = 28,205,064,585,020,188/159,042,956.40
  6. Step 6: Final answer
    x = 177,342,431.40

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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.