Home / 117,258,744,108.63-161,808,186,377.87-65,807,367,014.13

Finding the Fourth Proportional to 117,258,744,108.63, 161,808,186,377.87 and 65,807,367,014.13

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Solution

The fourth proportional to 117,258,744,108.63, 161,808,186,377.87 and 65,807,367,014.13 is: 90,809,182,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258,744,108.63 : 161,808,186,377.87 = 65,807,367,014.13 : x
  2. Step 2: Convert to fraction form
    117,258,744,108.63/161,808,186,377.87 = 65,807,367,014.13/x
  3. Step 3: Cross multiply
    117,258,744,108.63x = 161,808,186,377.87 × 65,807,367,014.13
  4. Step 4: Simplify right side
    117,258,744,108.63x = 10,648,170,706,859,240,456,192
  5. Step 5: Solve for x
    x = 10,648,170,706,859,240,456,192/117,258,744,108.63
  6. Step 6: Final answer
    x = 90,809,182,614.09

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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.