Home / 172,369,344.60-258,554,016.90-70,206,701.40

Finding the Fourth Proportional to 172,369,344.60, 258,554,016.90 and 70,206,701.40

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Solution

The fourth proportional to 172,369,344.60, 258,554,016.90 and 70,206,701.40 is: 105,310,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,369,344.60 : 258,554,016.90 = 70,206,701.40 : x
  2. Step 2: Convert to fraction form
    172,369,344.60/258,554,016.90 = 70,206,701.40/x
  3. Step 3: Cross multiply
    172,369,344.60x = 258,554,016.90 × 70,206,701.40
  4. Step 4: Simplify right side
    172,369,344.60x = 18,152,224,660,268,856
  5. Step 5: Solve for x
    x = 18,152,224,660,268,856/172,369,344.60
  6. Step 6: Final answer
    x = 105,310,052.10

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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.