Home / 157,073,638.98-235,292,025.78-72,824,685.60

Finding the Fourth Proportional to 157,073,638.98, 235,292,025.78 and 72,824,685.60

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Solution

The fourth proportional to 157,073,638.98, 235,292,025.78 and 72,824,685.60 is: 109,089,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073,638.98 : 235,292,025.78 = 72,824,685.60 : x
  2. Step 2: Convert to fraction form
    157,073,638.98/235,292,025.78 = 72,824,685.60/x
  3. Step 3: Cross multiply
    157,073,638.98x = 235,292,025.78 × 72,824,685.60
  4. Step 4: Simplify right side
    157,073,638.98x = 17,135,067,801,615,594
  5. Step 5: Solve for x
    x = 17,135,067,801,615,594/157,073,638.98
  6. Step 6: Final answer
    x = 109,089,392.17

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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.