Home / 145,170,032.80-217,503,106.80-122,495,216.80

Finding the Fourth Proportional to 145,170,032.80, 217,503,106.80 and 122,495,216.80

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Solution

The fourth proportional to 145,170,032.80, 217,503,106.80 and 122,495,216.80 is: 183,530,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,170,032.80 : 217,503,106.80 = 122,495,216.80 : x
  2. Step 2: Convert to fraction form
    145,170,032.80/217,503,106.80 = 122,495,216.80/x
  3. Step 3: Cross multiply
    145,170,032.80x = 217,503,106.80 × 122,495,216.80
  4. Step 4: Simplify right side
    145,170,032.80x = 26,643,090,222,139,556
  5. Step 5: Solve for x
    x = 26,643,090,222,139,556/145,170,032.80
  6. Step 6: Final answer
    x = 183,530,234.91

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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.