Home / 136,697,184.65-188,621,821.93-83,023,915.25

Finding the Fourth Proportional to 136,697,184.65, 188,621,821.93 and 83,023,915.25

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Solution

The fourth proportional to 136,697,184.65, 188,621,821.93 and 83,023,915.25 is: 114,560,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,697,184.65 : 188,621,821.93 = 83,023,915.25 : x
  2. Step 2: Convert to fraction form
    136,697,184.65/188,621,821.93 = 83,023,915.25/x
  3. Step 3: Cross multiply
    136,697,184.65x = 188,621,821.93 × 83,023,915.25
  4. Step 4: Simplify right side
    136,697,184.65x = 15,660,122,158,509,124
  5. Step 5: Solve for x
    x = 15,660,122,158,509,124/136,697,184.65
  6. Step 6: Final answer
    x = 114,560,678.04

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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.