Home / 207,158,418,475.93-285,875,575,073.73-115,708,303,890.48

Finding the Fourth Proportional to 207,158,418,475.93, 285,875,575,073.73 and 115,708,303,890.48

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Solution

The fourth proportional to 207,158,418,475.93, 285,875,575,073.73 and 115,708,303,890.48 is: 159,675,760,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,158,418,475.93 : 285,875,575,073.73 = 115,708,303,890.48 : x
  2. Step 2: Convert to fraction form
    207,158,418,475.93/285,875,575,073.73 = 115,708,303,890.48/x
  3. Step 3: Cross multiply
    207,158,418,475.93x = 285,875,575,073.73 × 115,708,303,890.48
  4. Step 4: Simplify right side
    207,158,418,475.93x = 33,078,177,915,496,877,260,800
  5. Step 5: Solve for x
    x = 33,078,177,915,496,877,260,800/207,158,418,475.93
  6. Step 6: Final answer
    x = 159,675,760,023.92

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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.