Home / 255,534,748.20-383,302,122.30-163,701,743.40

Finding the Fourth Proportional to 255,534,748.20, 383,302,122.30 and 163,701,743.40

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Solution

The fourth proportional to 255,534,748.20, 383,302,122.30 and 163,701,743.40 is: 245,552,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,534,748.20 : 383,302,122.30 = 163,701,743.40 : x
  2. Step 2: Convert to fraction form
    255,534,748.20/383,302,122.30 = 163,701,743.40/x
  3. Step 3: Cross multiply
    255,534,748.20x = 383,302,122.30 × 163,701,743.40
  4. Step 4: Simplify right side
    255,534,748.20x = 62,747,225,669,430,024
  5. Step 5: Solve for x
    x = 62,747,225,669,430,024/255,534,748.20
  6. Step 6: Final answer
    x = 245,552,615.10

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1.5x scale

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.