Home / 193,421,320.80-290,131,981.20-175,564,903.20

Finding the Fourth Proportional to 193,421,320.80, 290,131,981.20 and 175,564,903.20

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Solution

The fourth proportional to 193,421,320.80, 290,131,981.20 and 175,564,903.20 is: 263,347,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,421,320.80 : 290,131,981.20 = 175,564,903.20 : x
  2. Step 2: Convert to fraction form
    193,421,320.80/290,131,981.20 = 175,564,903.20/x
  3. Step 3: Cross multiply
    193,421,320.80x = 290,131,981.20 × 175,564,903.20
  4. Step 4: Simplify right side
    193,421,320.80x = 50,936,993,194,602,216
  5. Step 5: Solve for x
    x = 50,936,993,194,602,216/193,421,320.80
  6. Step 6: Final answer
    x = 263,347,354.80

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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.