Home / 139,174,312,600.28-208,648,812,289.12-43,511,089,758.56

Finding the Fourth Proportional to 139,174,312,600.28, 208,648,812,289.12 and 43,511,089,758.56

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Solution

The fourth proportional to 139,174,312,600.28, 208,648,812,289.12 and 43,511,089,758.56 is: 65,231,413,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,174,312,600.28 : 208,648,812,289.12 = 43,511,089,758.56 : x
  2. Step 2: Convert to fraction form
    139,174,312,600.28/208,648,812,289.12 = 43,511,089,758.56/x
  3. Step 3: Cross multiply
    139,174,312,600.28x = 208,648,812,289.12 × 43,511,089,758.56
  4. Step 4: Simplify right side
    139,174,312,600.28x = 9,078,537,199,528,836,071,424
  5. Step 5: Solve for x
    x = 9,078,537,199,528,836,071,424/139,174,312,600.28
  6. Step 6: Final answer
    x = 65,231,413,972.23

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1.5x scale

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.