Home / 157,615,225.40-236,422,838.10-142,309,724.60

Finding the Fourth Proportional to 157,615,225.40, 236,422,838.10 and 142,309,724.60

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Solution

The fourth proportional to 157,615,225.40, 236,422,838.10 and 142,309,724.60 is: 213,464,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615,225.40 : 236,422,838.10 = 142,309,724.60 : x
  2. Step 2: Convert to fraction form
    157,615,225.40/236,422,838.10 = 142,309,724.60/x
  3. Step 3: Cross multiply
    157,615,225.40x = 236,422,838.10 × 142,309,724.60
  4. Step 4: Simplify right side
    157,615,225.40x = 33,645,268,979,161,384
  5. Step 5: Solve for x
    x = 33,645,268,979,161,384/157,615,225.40
  6. Step 6: Final answer
    x = 213,464,586.90

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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.