Home / 156,085,666.40-233,876,557.20-130,387,541.60

Finding the Fourth Proportional to 156,085,666.40, 233,876,557.20 and 130,387,541.60

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Solution

The fourth proportional to 156,085,666.40, 233,876,557.20 and 130,387,541.60 is: 195,370,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,085,666.40 : 233,876,557.20 = 130,387,541.60 : x
  2. Step 2: Convert to fraction form
    156,085,666.40/233,876,557.20 = 130,387,541.60/x
  3. Step 3: Cross multiply
    156,085,666.40x = 233,876,557.20 × 130,387,541.60
  4. Step 4: Simplify right side
    156,085,666.40x = 30,494,589,331,179,776
  5. Step 5: Solve for x
    x = 30,494,589,331,179,776/156,085,666.40
  6. Step 6: Final answer
    x = 195,370,850.09

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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.