Home / 108,623,332.80-162,934,999.20-65,470,323.60

Finding the Fourth Proportional to 108,623,332.80, 162,934,999.20 and 65,470,323.60

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Solution

The fourth proportional to 108,623,332.80, 162,934,999.20 and 65,470,323.60 is: 98,205,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,623,332.80 : 162,934,999.20 = 65,470,323.60 : x
  2. Step 2: Convert to fraction form
    108,623,332.80/162,934,999.20 = 65,470,323.60/x
  3. Step 3: Cross multiply
    108,623,332.80x = 162,934,999.20 × 65,470,323.60
  4. Step 4: Simplify right side
    108,623,332.80x = 10,667,407,123,389,740
  5. Step 5: Solve for x
    x = 10,667,407,123,389,740/108,623,332.80
  6. Step 6: Final answer
    x = 98,205,485.40

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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.