Home / 171,072,486.40-256,682,457.60-99,330,227.20

Finding the Fourth Proportional to 171,072,486.40, 256,682,457.60 and 99,330,227.20

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Solution

The fourth proportional to 171,072,486.40, 256,682,457.60 and 99,330,227.20 is: 149,038,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,486.40 : 256,682,457.60 = 99,330,227.20 : x
  2. Step 2: Convert to fraction form
    171,072,486.40/256,682,457.60 = 99,330,227.20/x
  3. Step 3: Cross multiply
    171,072,486.40x = 256,682,457.60 × 99,330,227.20
  4. Step 4: Simplify right side
    171,072,486.40x = 25,496,326,831,662,368
  5. Step 5: Solve for x
    x = 25,496,326,831,662,368/171,072,486.40
  6. Step 6: Final answer
    x = 149,038,149.67

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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.