Home / 142,980,154.06-197,296,824.60-80,241,862.29

Finding the Fourth Proportional to 142,980,154.06, 197,296,824.60 and 80,241,862.29

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Solution

The fourth proportional to 142,980,154.06, 197,296,824.60 and 80,241,862.29 is: 110,724,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980,154.06 : 197,296,824.60 = 80,241,862.29 : x
  2. Step 2: Convert to fraction form
    142,980,154.06/197,296,824.60 = 80,241,862.29/x
  3. Step 3: Cross multiply
    142,980,154.06x = 197,296,824.60 × 80,241,862.29
  4. Step 4: Simplify right side
    142,980,154.06x = 15,831,464,629,807,486
  5. Step 5: Solve for x
    x = 15,831,464,629,807,486/142,980,154.06
  6. Step 6: Final answer
    x = 110,724,909.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.