Home / 268,063,881.88-369,821,781.70-155,012,484.16

Finding the Fourth Proportional to 268,063,881.88, 369,821,781.70 and 155,012,484.16

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Solution

The fourth proportional to 268,063,881.88, 369,821,781.70 and 155,012,484.16 is: 213,855,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,063,881.88 : 369,821,781.70 = 155,012,484.16 : x
  2. Step 2: Convert to fraction form
    268,063,881.88/369,821,781.70 = 155,012,484.16/x
  3. Step 3: Cross multiply
    268,063,881.88x = 369,821,781.70 × 155,012,484.16
  4. Step 4: Simplify right side
    268,063,881.88x = 57,326,993,077,794,224
  5. Step 5: Solve for x
    x = 57,326,993,077,794,224/268,063,881.88
  6. Step 6: Final answer
    x = 213,855,714.82

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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.