Home / 201,780,219.90-302,670,329.85-56,236,244.70

Finding the Fourth Proportional to 201,780,219.90, 302,670,329.85 and 56,236,244.70

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Solution

The fourth proportional to 201,780,219.90, 302,670,329.85 and 56,236,244.70 is: 84,354,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,780,219.90 : 302,670,329.85 = 56,236,244.70 : x
  2. Step 2: Convert to fraction form
    201,780,219.90/302,670,329.85 = 56,236,244.70/x
  3. Step 3: Cross multiply
    201,780,219.90x = 302,670,329.85 × 56,236,244.70
  4. Step 4: Simplify right side
    201,780,219.90x = 17,021,042,732,874,316
  5. Step 5: Solve for x
    x = 17,021,042,732,874,316/201,780,219.90
  6. Step 6: Final answer
    x = 84,354,367.05

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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.