Home / 114,048,020.20-171,072,030.30-42,272,429.80

Finding the Fourth Proportional to 114,048,020.20, 171,072,030.30 and 42,272,429.80

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Solution

The fourth proportional to 114,048,020.20, 171,072,030.30 and 42,272,429.80 is: 63,408,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,048,020.20 : 171,072,030.30 = 42,272,429.80 : x
  2. Step 2: Convert to fraction form
    114,048,020.20/171,072,030.30 = 42,272,429.80/x
  3. Step 3: Cross multiply
    114,048,020.20x = 171,072,030.30 × 42,272,429.80
  4. Step 4: Simplify right side
    114,048,020.20x = 7,231,630,391,600,223
  5. Step 5: Solve for x
    x = 7,231,630,391,600,223/114,048,020.20
  6. Step 6: Final answer
    x = 63,408,644.70

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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.