Home / 387,168,243.27-534,292,252.59-210,956,238.63

Finding the Fourth Proportional to 387,168,243.27, 534,292,252.59 and 210,956,238.63

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Solution

The fourth proportional to 387,168,243.27, 534,292,252.59 and 210,956,238.63 is: 291,119,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,168,243.27 : 534,292,252.59 = 210,956,238.63 : x
  2. Step 2: Convert to fraction form
    387,168,243.27/534,292,252.59 = 210,956,238.63/x
  3. Step 3: Cross multiply
    387,168,243.27x = 534,292,252.59 × 210,956,238.63
  4. Step 4: Simplify right side
    387,168,243.27x = 112,712,283,935,536,272
  5. Step 5: Solve for x
    x = 112,712,283,935,536,272/387,168,243.27
  6. Step 6: Final answer
    x = 291,119,651.20

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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.