Home / 97,016,879.20-145,525,318.80-48,502,220.80

Finding the Fourth Proportional to 97,016,879.20, 145,525,318.80 and 48,502,220.80

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Solution

The fourth proportional to 97,016,879.20, 145,525,318.80 and 48,502,220.80 is: 72,753,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,016,879.20 : 145,525,318.80 = 48,502,220.80 : x
  2. Step 2: Convert to fraction form
    97,016,879.20/145,525,318.80 = 48,502,220.80/x
  3. Step 3: Cross multiply
    97,016,879.20x = 145,525,318.80 × 48,502,220.80
  4. Step 4: Simplify right side
    97,016,879.20x = 7,058,301,144,427,991
  5. Step 5: Solve for x
    x = 7,058,301,144,427,991/97,016,879.20
  6. Step 6: Final answer
    x = 72,753,331.20

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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.