Home / 111,984,187.20-167,976,280.80-47,266,483.20

Finding the Fourth Proportional to 111,984,187.20, 167,976,280.80 and 47,266,483.20

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Solution

The fourth proportional to 111,984,187.20, 167,976,280.80 and 47,266,483.20 is: 70,899,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,984,187.20 : 167,976,280.80 = 47,266,483.20 : x
  2. Step 2: Convert to fraction form
    111,984,187.20/167,976,280.80 = 47,266,483.20/x
  3. Step 3: Cross multiply
    111,984,187.20x = 167,976,280.80 × 47,266,483.20
  4. Step 4: Simplify right side
    111,984,187.20x = 7,939,648,054,431,684
  5. Step 5: Solve for x
    x = 7,939,648,054,431,684/111,984,187.20
  6. Step 6: Final answer
    x = 70,899,724.80

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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.