Home / 117,954,577.81-162,778,072.80-65,746,923.67

Finding the Fourth Proportional to 117,954,577.81, 162,778,072.80 and 65,746,923.67

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Solution

The fourth proportional to 117,954,577.81, 162,778,072.80 and 65,746,923.67 is: 90,731,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954,577.81 : 162,778,072.80 = 65,746,923.67 : x
  2. Step 2: Convert to fraction form
    117,954,577.81/162,778,072.80 = 65,746,923.67/x
  3. Step 3: Cross multiply
    117,954,577.81x = 162,778,072.80 × 65,746,923.67
  4. Step 4: Simplify right side
    117,954,577.81x = 10,702,157,527,531,304
  5. Step 5: Solve for x
    x = 10,702,157,527,531,304/117,954,577.81
  6. Step 6: Final answer
    x = 90,731,175.73

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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.