Home / 90,922,334.16-136,384,683.12-30,338,060.16

Finding the Fourth Proportional to 90,922,334.16, 136,384,683.12 and 30,338,060.16

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Solution

The fourth proportional to 90,922,334.16, 136,384,683.12 and 30,338,060.16 is: 45,507,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922,334.16 : 136,384,683.12 = 30,338,060.16 : x
  2. Step 2: Convert to fraction form
    90,922,334.16/136,384,683.12 = 30,338,060.16/x
  3. Step 3: Cross multiply
    90,922,334.16x = 136,384,683.12 × 30,338,060.16
  4. Step 4: Simplify right side
    90,922,334.16x = 4,137,646,721,397,096.50
  5. Step 5: Solve for x
    x = 4,137,646,721,397,096.50/90,922,334.16
  6. Step 6: Final answer
    x = 45,507,484.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.