Home / 141,209,596.40-194,418,768.60-120,499,931.12

Finding the Fourth Proportional to 141,209,596.40, 194,418,768.60 and 120,499,931.12

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Solution

The fourth proportional to 141,209,596.40, 194,418,768.60 and 120,499,931.12 is: 165,905,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209,596.40 : 194,418,768.60 = 120,499,931.12 : x
  2. Step 2: Convert to fraction form
    141,209,596.40/194,418,768.60 = 120,499,931.12/x
  3. Step 3: Cross multiply
    141,209,596.40x = 194,418,768.60 × 120,499,931.12
  4. Step 4: Simplify right side
    141,209,596.40x = 23,427,448,224,735,220
  5. Step 5: Solve for x
    x = 23,427,448,224,735,220/141,209,596.40
  6. Step 6: Final answer
    x = 165,905,496.67

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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.