Home / 159,042,971.40-238,564,457.10-118,228,302.60

Finding the Fourth Proportional to 159,042,971.40, 238,564,457.10 and 118,228,302.60

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Solution

The fourth proportional to 159,042,971.40, 238,564,457.10 and 118,228,302.60 is: 177,342,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,042,971.40 : 238,564,457.10 = 118,228,302.60 : x
  2. Step 2: Convert to fraction form
    159,042,971.40/238,564,457.10 = 118,228,302.60/x
  3. Step 3: Cross multiply
    159,042,971.40x = 238,564,457.10 × 118,228,302.60
  4. Step 4: Simplify right side
    159,042,971.40x = 28,205,070,823,623,516
  5. Step 5: Solve for x
    x = 28,205,070,823,623,516/159,042,971.40
  6. Step 6: Final answer
    x = 177,342,453.90

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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.