Home / 108,262,334.40-162,393,501.60-31,593,112.80

Finding the Fourth Proportional to 108,262,334.40, 162,393,501.60 and 31,593,112.80

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Solution

The fourth proportional to 108,262,334.40, 162,393,501.60 and 31,593,112.80 is: 47,389,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,262,334.40 : 162,393,501.60 = 31,593,112.80 : x
  2. Step 2: Convert to fraction form
    108,262,334.40/162,393,501.60 = 31,593,112.80/x
  3. Step 3: Cross multiply
    108,262,334.40x = 162,393,501.60 × 31,593,112.80
  4. Step 4: Simplify right side
    108,262,334.40x = 5,130,516,214,035,780
  5. Step 5: Solve for x
    x = 5,130,516,214,035,780/108,262,334.40
  6. Step 6: Final answer
    x = 47,389,669.20

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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.