Home / 384,406,743.60-576,554,128.20-111,749,079.60

Finding the Fourth Proportional to 384,406,743.60, 576,554,128.20 and 111,749,079.60

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Solution

The fourth proportional to 384,406,743.60, 576,554,128.20 and 111,749,079.60 is: 167,607,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,406,743.60 : 576,554,128.20 = 111,749,079.60 : x
  2. Step 2: Convert to fraction form
    384,406,743.60/576,554,128.20 = 111,749,079.60/x
  3. Step 3: Cross multiply
    384,406,743.60x = 576,554,128.20 × 111,749,079.60
  4. Step 4: Simplify right side
    384,406,743.60x = 64,429,393,165,930,408
  5. Step 5: Solve for x
    x = 64,429,393,165,930,408/384,406,743.60
  6. Step 6: Final answer
    x = 167,607,343.62

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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.