Home / 163,520,530.80-245,280,796.20-127,240,825.20

Finding the Fourth Proportional to 163,520,530.80, 245,280,796.20 and 127,240,825.20

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Solution

The fourth proportional to 163,520,530.80, 245,280,796.20 and 127,240,825.20 is: 190,861,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,530.80 : 245,280,796.20 = 127,240,825.20 : x
  2. Step 2: Convert to fraction form
    163,520,530.80/245,280,796.20 = 127,240,825.20/x
  3. Step 3: Cross multiply
    163,520,530.80x = 245,280,796.20 × 127,240,825.20
  4. Step 4: Simplify right side
    163,520,530.80x = 31,209,730,914,201,024
  5. Step 5: Solve for x
    x = 31,209,730,914,201,024/163,520,530.80
  6. Step 6: Final answer
    x = 190,861,237.80

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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.