Home / 120,292,412.65-165,975,077.51-68,081,448.29

Finding the Fourth Proportional to 120,292,412.65, 165,975,077.51 and 68,081,448.29

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Solution

The fourth proportional to 120,292,412.65, 165,975,077.51 and 68,081,448.29 is: 93,936,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,292,412.65 : 165,975,077.51 = 68,081,448.29 : x
  2. Step 2: Convert to fraction form
    120,292,412.65/165,975,077.51 = 68,081,448.29/x
  3. Step 3: Cross multiply
    120,292,412.65x = 165,975,077.51 × 68,081,448.29
  4. Step 4: Simplify right side
    120,292,412.65x = 11,299,823,656,925,808
  5. Step 5: Solve for x
    x = 11,299,823,656,925,808/120,292,412.65
  6. Step 6: Final answer
    x = 93,936,295.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.