Home / 117,258,744,106.63-161,808,186,375.11-65,807,367,012.13

Finding the Fourth Proportional to 117,258,744,106.63, 161,808,186,375.11 and 65,807,367,012.13

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Solution

The fourth proportional to 117,258,744,106.63, 161,808,186,375.11 and 65,807,367,012.13 is: 90,809,182,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,258,744,106.63 : 161,808,186,375.11 = 65,807,367,012.13 : x
  2. Step 2: Convert to fraction form
    117,258,744,106.63/161,808,186,375.11 = 65,807,367,012.13/x
  3. Step 3: Cross multiply
    117,258,744,106.63x = 161,808,186,375.11 × 65,807,367,012.13
  4. Step 4: Simplify right side
    117,258,744,106.63x = 10,648,170,706,353,994,596,352
  5. Step 5: Solve for x
    x = 10,648,170,706,353,994,596,352/117,258,744,106.63
  6. Step 6: Final answer
    x = 90,809,182,611.33

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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.