Home / 129,470,280.80-194,205,421.20-52,751,487.20

Finding the Fourth Proportional to 129,470,280.80, 194,205,421.20 and 52,751,487.20

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Solution

The fourth proportional to 129,470,280.80, 194,205,421.20 and 52,751,487.20 is: 79,127,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,470,280.80 : 194,205,421.20 = 52,751,487.20 : x
  2. Step 2: Convert to fraction form
    129,470,280.80/194,205,421.20 = 52,751,487.20/x
  3. Step 3: Cross multiply
    129,470,280.80x = 194,205,421.20 × 52,751,487.20
  4. Step 4: Simplify right side
    129,470,280.80x = 10,244,624,790,602,408
  5. Step 5: Solve for x
    x = 10,244,624,790,602,408/129,470,280.80
  6. Step 6: Final answer
    x = 79,127,230.80

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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.