Home / 198,816,068.60-298,046,810.10-77,619,332.60

Finding the Fourth Proportional to 198,816,068.60, 298,046,810.10 and 77,619,332.60

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Solution

The fourth proportional to 198,816,068.60, 298,046,810.10 and 77,619,332.60 is: 116,359,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,816,068.60 : 298,046,810.10 = 77,619,332.60 : x
  2. Step 2: Convert to fraction form
    198,816,068.60/298,046,810.10 = 77,619,332.60/x
  3. Step 3: Cross multiply
    198,816,068.60x = 298,046,810.10 × 77,619,332.60
  4. Step 4: Simplify right side
    198,816,068.60x = 23,134,194,483,520,940
  5. Step 5: Solve for x
    x = 23,134,194,483,520,940/198,816,068.60
  6. Step 6: Final answer
    x = 116,359,782.42

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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.