Home / 173,816,156.40-260,724,234.60-78,264,668.40

Finding the Fourth Proportional to 173,816,156.40, 260,724,234.60 and 78,264,668.40

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Solution

The fourth proportional to 173,816,156.40, 260,724,234.60 and 78,264,668.40 is: 117,397,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816,156.40 : 260,724,234.60 = 78,264,668.40 : x
  2. Step 2: Convert to fraction form
    173,816,156.40/260,724,234.60 = 78,264,668.40/x
  3. Step 3: Cross multiply
    173,816,156.40x = 260,724,234.60 × 78,264,668.40
  4. Step 4: Simplify right side
    173,816,156.40x = 20,405,495,764,812,808
  5. Step 5: Solve for x
    x = 20,405,495,764,812,808/173,816,156.40
  6. Step 6: Final answer
    x = 117,397,002.60

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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.