Home / 207,158,418,461.85-285,875,575,054.26-115,708,303,876.38

Finding the Fourth Proportional to 207,158,418,461.85, 285,875,575,054.26 and 115,708,303,876.38

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Solution

The fourth proportional to 207,158,418,461.85, 285,875,575,054.26 and 115,708,303,876.38 is: 159,675,760,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,158,418,461.85 : 285,875,575,054.26 = 115,708,303,876.38 : x
  2. Step 2: Convert to fraction form
    207,158,418,461.85/285,875,575,054.26 = 115,708,303,876.38/x
  3. Step 3: Cross multiply
    207,158,418,461.85x = 285,875,575,054.26 × 115,708,303,876.38
  4. Step 4: Simplify right side
    207,158,418,461.85x = 33,078,177,909,213,197,500,416
  5. Step 5: Solve for x
    x = 33,078,177,909,213,197,500,416/207,158,418,461.85
  6. Step 6: Final answer
    x = 159,675,760,004.44

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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.