Home / 260,410,867.20-390,681,619.20-114,872,140.80

Finding the Fourth Proportional to 260,410,867.20, 390,681,619.20 and 114,872,140.80

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Solution

The fourth proportional to 260,410,867.20, 390,681,619.20 and 114,872,140.80 is: 172,337,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,410,867.20 : 390,681,619.20 = 114,872,140.80 : x
  2. Step 2: Convert to fraction form
    260,410,867.20/390,681,619.20 = 114,872,140.80/x
  3. Step 3: Cross multiply
    260,410,867.20x = 390,681,619.20 × 114,872,140.80
  4. Step 4: Simplify right side
    260,410,867.20x = 44,878,433,968,714,384
  5. Step 5: Solve for x
    x = 44,878,433,968,714,384/260,410,867.20
  6. Step 6: Final answer
    x = 172,337,024.38

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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.