Home / 142,980,106.32-197,296,759.06-80,241,814.67

Finding the Fourth Proportional to 142,980,106.32, 197,296,759.06 and 80,241,814.67

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Solution

The fourth proportional to 142,980,106.32, 197,296,759.06 and 80,241,814.67 is: 110,724,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980,106.32 : 197,296,759.06 = 80,241,814.67 : x
  2. Step 2: Convert to fraction form
    142,980,106.32/197,296,759.06 = 80,241,814.67/x
  3. Step 3: Cross multiply
    142,980,106.32x = 197,296,759.06 × 80,241,814.67
  4. Step 4: Simplify right side
    142,980,106.32x = 15,831,449,974,297,076
  5. Step 5: Solve for x
    x = 15,831,449,974,297,076/142,980,106.32
  6. Step 6: Final answer
    x = 110,724,844.05

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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.