Home / 180,301,604.42-248,813,772.50-100,916,642.31

Finding the Fourth Proportional to 180,301,604.42, 248,813,772.50 and 100,916,642.31

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Solution

The fourth proportional to 180,301,604.42, 248,813,772.50 and 100,916,642.31 is: 139,263,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,301,604.42 : 248,813,772.50 = 100,916,642.31 : x
  2. Step 2: Convert to fraction form
    180,301,604.42/248,813,772.50 = 100,916,642.31/x
  3. Step 3: Cross multiply
    180,301,604.42x = 248,813,772.50 × 100,916,642.31
  4. Step 4: Simplify right side
    180,301,604.42x = 25,109,450,480,679,632
  5. Step 5: Solve for x
    x = 25,109,450,480,679,632/180,301,604.42
  6. Step 6: Final answer
    x = 139,263,599.80

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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.