Home / 129,301,202.15-178,439,438.36-70,567,636.76

Finding the Fourth Proportional to 129,301,202.15, 178,439,438.36 and 70,567,636.76

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Solution

The fourth proportional to 129,301,202.15, 178,439,438.36 and 70,567,636.76 is: 97,385,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,202.15 : 178,439,438.36 = 70,567,636.76 : x
  2. Step 2: Convert to fraction form
    129,301,202.15/178,439,438.36 = 70,567,636.76/x
  3. Step 3: Cross multiply
    129,301,202.15x = 178,439,438.36 × 70,567,636.76
  4. Step 4: Simplify right side
    129,301,202.15x = 12,592,049,469,494,052
  5. Step 5: Solve for x
    x = 12,592,049,469,494,052/129,301,202.15
  6. Step 6: Final answer
    x = 97,385,401.37

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1.5x scale

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.