Home / 53,875,131.20-80,863,435.20-28,334,470.40

Finding the Fourth Proportional to 53,875,131.20, 80,863,435.20 and 28,334,470.40

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Solution

The fourth proportional to 53,875,131.20, 80,863,435.20 and 28,334,470.40 is: 42,528,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875,131.20 : 80,863,435.20 = 28,334,470.40 : x
  2. Step 2: Convert to fraction form
    53,875,131.20/80,863,435.20 = 28,334,470.40/x
  3. Step 3: Cross multiply
    53,875,131.20x = 80,863,435.20 × 28,334,470.40
  4. Step 4: Simplify right side
    53,875,131.20x = 2,291,222,611,116,718
  5. Step 5: Solve for x
    x = 2,291,222,611,116,718/53,875,131.20
  6. Step 6: Final answer
    x = 42,528,390.37

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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.