Home / 111,683,889.40-167,525,834.10-82,986,075.40

Finding the Fourth Proportional to 111,683,889.40, 167,525,834.10 and 82,986,075.40

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Solution

The fourth proportional to 111,683,889.40, 167,525,834.10 and 82,986,075.40 is: 124,479,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,683,889.40 : 167,525,834.10 = 82,986,075.40 : x
  2. Step 2: Convert to fraction form
    111,683,889.40/167,525,834.10 = 82,986,075.40/x
  3. Step 3: Cross multiply
    111,683,889.40x = 167,525,834.10 × 82,986,075.40
  4. Step 4: Simplify right side
    111,683,889.40x = 13,902,311,500,070,492
  5. Step 5: Solve for x
    x = 13,902,311,500,070,492/111,683,889.40
  6. Step 6: Final answer
    x = 124,479,113.10

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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.