Home / 108,621,168.40-162,931,752.60-31,951,946.80

Finding the Fourth Proportional to 108,621,168.40, 162,931,752.60 and 31,951,946.80

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Solution

The fourth proportional to 108,621,168.40, 162,931,752.60 and 31,951,946.80 is: 47,927,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,168.40 : 162,931,752.60 = 31,951,946.80 : x
  2. Step 2: Convert to fraction form
    108,621,168.40/162,931,752.60 = 31,951,946.80/x
  3. Step 3: Cross multiply
    108,621,168.40x = 162,931,752.60 × 31,951,946.80
  4. Step 4: Simplify right side
    108,621,168.40x = 5,205,986,691,105,962
  5. Step 5: Solve for x
    x = 5,205,986,691,105,962/108,621,168.40
  6. Step 6: Final answer
    x = 47,927,920.20

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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.