Home / 318,308,323.80-477,533,697.12-96,996,984.42

Finding the Fourth Proportional to 318,308,323.80, 477,533,697.12 and 96,996,984.42

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Solution

The fourth proportional to 318,308,323.80, 477,533,697.12 and 96,996,984.42 is: 145,517,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,308,323.80 : 477,533,697.12 = 96,996,984.42 : x
  2. Step 2: Convert to fraction form
    318,308,323.80/477,533,697.12 = 96,996,984.42/x
  3. Step 3: Cross multiply
    318,308,323.80x = 477,533,697.12 × 96,996,984.42
  4. Step 4: Simplify right side
    318,308,323.80x = 46,319,328,579,573,640
  5. Step 5: Solve for x
    x = 46,319,328,579,573,640/318,308,323.80
  6. Step 6: Final answer
    x = 145,517,176.64

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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.