Home / 156,793,971.20-234,743,059.20-140,669,657.60

Finding the Fourth Proportional to 156,793,971.20, 234,743,059.20 and 140,669,657.60

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Solution

The fourth proportional to 156,793,971.20, 234,743,059.20 and 140,669,657.60 is: 210,602,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793,971.20 : 234,743,059.20 = 140,669,657.60 : x
  2. Step 2: Convert to fraction form
    156,793,971.20/234,743,059.20 = 140,669,657.60/x
  3. Step 3: Cross multiply
    156,793,971.20x = 234,743,059.20 × 140,669,657.60
  4. Step 4: Simplify right side
    156,793,971.20x = 33,021,225,761,640,528
  5. Step 5: Solve for x
    x = 33,021,225,761,640,528/156,793,971.20
  6. Step 6: Final answer
    x = 210,602,649.51

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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.