Home / 107,870,351.78-161,920,673.10-46,489,802.01

Finding the Fourth Proportional to 107,870,351.78, 161,920,673.10 and 46,489,802.01

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Solution

The fourth proportional to 107,870,351.78, 161,920,673.10 and 46,489,802.01 is: 69,784,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,870,351.78 : 161,920,673.10 = 46,489,802.01 : x
  2. Step 2: Convert to fraction form
    107,870,351.78/161,920,673.10 = 46,489,802.01/x
  3. Step 3: Cross multiply
    107,870,351.78x = 161,920,673.10 × 46,489,802.01
  4. Step 4: Simplify right side
    107,870,351.78x = 7,527,660,033,744,932
  5. Step 5: Solve for x
    x = 7,527,660,033,744,932/107,870,351.78
  6. Step 6: Final answer
    x = 69,784,328.22

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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.