Home / 187,152,021.60-280,728,032.40-65,995,720.80

Finding the Fourth Proportional to 187,152,021.60, 280,728,032.40 and 65,995,720.80

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Solution

The fourth proportional to 187,152,021.60, 280,728,032.40 and 65,995,720.80 is: 98,993,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152,021.60 : 280,728,032.40 = 65,995,720.80 : x
  2. Step 2: Convert to fraction form
    187,152,021.60/280,728,032.40 = 65,995,720.80/x
  3. Step 3: Cross multiply
    187,152,021.60x = 280,728,032.40 × 65,995,720.80
  4. Step 4: Simplify right side
    187,152,021.60x = 18,526,848,847,003,752
  5. Step 5: Solve for x
    x = 18,526,848,847,003,752/187,152,021.60
  6. Step 6: Final answer
    x = 98,993,581.20

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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.