Home / 243,714,312.62-336,325,726.43-137,865,466.54

Finding the Fourth Proportional to 243,714,312.62, 336,325,726.43 and 137,865,466.54

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Solution

The fourth proportional to 243,714,312.62, 336,325,726.43 and 137,865,466.54 is: 190,254,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714,312.62 : 336,325,726.43 = 137,865,466.54 : x
  2. Step 2: Convert to fraction form
    243,714,312.62/336,325,726.43 = 137,865,466.54/x
  3. Step 3: Cross multiply
    243,714,312.62x = 336,325,726.43 × 137,865,466.54
  4. Step 4: Simplify right side
    243,714,312.62x = 46,367,703,183,676,360
  5. Step 5: Solve for x
    x = 46,367,703,183,676,360/243,714,312.62
  6. Step 6: Final answer
    x = 190,254,329.69

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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.