Home / 157,464,679.60-236,197,019.40-80,937,175.60

Finding the Fourth Proportional to 157,464,679.60, 236,197,019.40 and 80,937,175.60

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Solution

The fourth proportional to 157,464,679.60, 236,197,019.40 and 80,937,175.60 is: 121,405,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,679.60 : 236,197,019.40 = 80,937,175.60 : x
  2. Step 2: Convert to fraction form
    157,464,679.60/236,197,019.40 = 80,937,175.60/x
  3. Step 3: Cross multiply
    157,464,679.60x = 236,197,019.40 × 80,937,175.60
  4. Step 4: Simplify right side
    157,464,679.60x = 19,117,119,635,374,404
  5. Step 5: Solve for x
    x = 19,117,119,635,374,404/157,464,679.60
  6. Step 6: Final answer
    x = 121,405,763.40

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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.