Home / 217,243,547.40-326,243,234.70-115,206,875.40

Finding the Fourth Proportional to 217,243,547.40, 326,243,234.70 and 115,206,875.40

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Solution

The fourth proportional to 217,243,547.40, 326,243,234.70 and 115,206,875.40 is: 173,010,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,243,547.40 : 326,243,234.70 = 115,206,875.40 : x
  2. Step 2: Convert to fraction form
    217,243,547.40/326,243,234.70 = 115,206,875.40/x
  3. Step 3: Cross multiply
    217,243,547.40x = 326,243,234.70 × 115,206,875.40
  4. Step 4: Simplify right side
    217,243,547.40x = 37,585,463,690,175,856
  5. Step 5: Solve for x
    x = 37,585,463,690,175,856/217,243,547.40
  6. Step 6: Final answer
    x = 173,010,725.24

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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.