Home / 187,152,023.80-280,728,035.70-157,590,782.20

Finding the Fourth Proportional to 187,152,023.80, 280,728,035.70 and 157,590,782.20

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Solution

The fourth proportional to 187,152,023.80, 280,728,035.70 and 157,590,782.20 is: 236,386,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,152,023.80 : 280,728,035.70 = 157,590,782.20 : x
  2. Step 2: Convert to fraction form
    187,152,023.80/280,728,035.70 = 157,590,782.20/x
  3. Step 3: Cross multiply
    187,152,023.80x = 280,728,035.70 × 157,590,782.20
  4. Step 4: Simplify right side
    187,152,023.80x = 44,240,150,731,432,520
  5. Step 5: Solve for x
    x = 44,240,150,731,432,520/187,152,023.80
  6. Step 6: Final answer
    x = 236,386,173.30

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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.