Home / 130,487,583.18-180,079,329.07-80,943,919.84

Finding the Fourth Proportional to 130,487,583.18, 180,079,329.07 and 80,943,919.84

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Solution

The fourth proportional to 130,487,583.18, 180,079,329.07 and 80,943,919.84 is: 111,706,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487,583.18 : 180,079,329.07 = 80,943,919.84 : x
  2. Step 2: Convert to fraction form
    130,487,583.18/180,079,329.07 = 80,943,919.84/x
  3. Step 3: Cross multiply
    130,487,583.18x = 180,079,329.07 × 80,943,919.84
  4. Step 4: Simplify right side
    130,487,583.18x = 14,576,326,776,735,330
  5. Step 5: Solve for x
    x = 14,576,326,776,735,330/130,487,583.18
  6. Step 6: Final answer
    x = 111,706,619.29

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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.