Home / 172,413,708.60-258,620,562.90-153,706,985.40

Finding the Fourth Proportional to 172,413,708.60, 258,620,562.90 and 153,706,985.40

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Solution

The fourth proportional to 172,413,708.60, 258,620,562.90 and 153,706,985.40 is: 230,560,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,708.60 : 258,620,562.90 = 153,706,985.40 : x
  2. Step 2: Convert to fraction form
    172,413,708.60/258,620,562.90 = 153,706,985.40/x
  3. Step 3: Cross multiply
    172,413,708.60x = 258,620,562.90 × 153,706,985.40
  4. Step 4: Simplify right side
    172,413,708.60x = 39,751,787,085,810,088
  5. Step 5: Solve for x
    x = 39,751,787,085,810,088/172,413,708.60
  6. Step 6: Final answer
    x = 230,560,478.10

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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.