Home / 210,361,851.86-315,576,684.47-64,795,345.54

Finding the Fourth Proportional to 210,361,851.86, 315,576,684.47 and 64,795,345.54

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Solution

The fourth proportional to 210,361,851.86, 315,576,684.47 and 64,795,345.54 is: 97,203,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,851.86 : 315,576,684.47 = 64,795,345.54 : x
  2. Step 2: Convert to fraction form
    210,361,851.86/315,576,684.47 = 64,795,345.54/x
  3. Step 3: Cross multiply
    210,361,851.86x = 315,576,684.47 × 64,795,345.54
  4. Step 4: Simplify right side
    210,361,851.86x = 20,447,900,314,601,204
  5. Step 5: Solve for x
    x = 20,447,900,314,601,204/210,361,851.86
  6. Step 6: Final answer
    x = 97,203,462.20

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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.