Home / 86,423,691,822.86-119,266,106,708.89-47,315,587,378.97

Finding the Fourth Proportional to 86,423,691,822.86, 119,266,106,708.89 and 47,315,587,378.97

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Solution

The fourth proportional to 86,423,691,822.86, 119,266,106,708.89 and 47,315,587,378.97 is: 65,296,283,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423,691,822.86 : 119,266,106,708.89 = 47,315,587,378.97 : x
  2. Step 2: Convert to fraction form
    86,423,691,822.86/119,266,106,708.89 = 47,315,587,378.97/x
  3. Step 3: Cross multiply
    86,423,691,822.86x = 119,266,106,708.89 × 47,315,587,378.97
  4. Step 4: Simplify right side
    86,423,691,822.86x = 5,643,145,893,334,044,639,232
  5. Step 5: Solve for x
    x = 5,643,145,893,334,044,639,232/86,423,691,822.86
  6. Step 6: Final answer
    x = 65,296,283,626.72

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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.