Home / 173,879,420.40-260,819,130.60-130,513,834.80

Finding the Fourth Proportional to 173,879,420.40, 260,819,130.60 and 130,513,834.80

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Solution

The fourth proportional to 173,879,420.40, 260,819,130.60 and 130,513,834.80 is: 195,770,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879,420.40 : 260,819,130.60 = 130,513,834.80 : x
  2. Step 2: Convert to fraction form
    173,879,420.40/260,819,130.60 = 130,513,834.80/x
  3. Step 3: Cross multiply
    173,879,420.40x = 260,819,130.60 × 130,513,834.80
  4. Step 4: Simplify right side
    173,879,420.40x = 34,040,504,923,808,024
  5. Step 5: Solve for x
    x = 34,040,504,923,808,024/173,879,420.40
  6. Step 6: Final answer
    x = 195,770,752.20

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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.