Home / 168,042,345.40-252,063,518.10-155,128,329.10

Finding the Fourth Proportional to 168,042,345.40, 252,063,518.10 and 155,128,329.10

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Solution

The fourth proportional to 168,042,345.40, 252,063,518.10 and 155,128,329.10 is: 232,692,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042,345.40 : 252,063,518.10 = 155,128,329.10 : x
  2. Step 2: Convert to fraction form
    168,042,345.40/252,063,518.10 = 155,128,329.10/x
  3. Step 3: Cross multiply
    168,042,345.40x = 252,063,518.10 × 155,128,329.10
  4. Step 4: Simplify right side
    168,042,345.40x = 39,102,192,389,920,608
  5. Step 5: Solve for x
    x = 39,102,192,389,920,608/168,042,345.40
  6. Step 6: Final answer
    x = 232,692,493.65

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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.