Home / 86,423,691,825.39-119,266,106,712.38-47,315,587,381.47

Finding the Fourth Proportional to 86,423,691,825.39, 119,266,106,712.38 and 47,315,587,381.47

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Solution

The fourth proportional to 86,423,691,825.39, 119,266,106,712.38 and 47,315,587,381.47 is: 65,296,283,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423,691,825.39 : 119,266,106,712.38 = 47,315,587,381.47 : x
  2. Step 2: Convert to fraction form
    86,423,691,825.39/119,266,106,712.38 = 47,315,587,381.47/x
  3. Step 3: Cross multiply
    86,423,691,825.39x = 119,266,106,712.38 × 47,315,587,381.47
  4. Step 4: Simplify right side
    86,423,691,825.39x = 5,643,145,893,797,342,216,192
  5. Step 5: Solve for x
    x = 5,643,145,893,797,342,216,192/86,423,691,825.39
  6. Step 6: Final answer
    x = 65,296,283,630.17

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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.