Home / 201,210,650.60-301,815,975.90-99,173,978.60

Finding the Fourth Proportional to 201,210,650.60, 301,815,975.90 and 99,173,978.60

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Solution

The fourth proportional to 201,210,650.60, 301,815,975.90 and 99,173,978.60 is: 148,760,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,210,650.60 : 301,815,975.90 = 99,173,978.60 : x
  2. Step 2: Convert to fraction form
    201,210,650.60/301,815,975.90 = 99,173,978.60/x
  3. Step 3: Cross multiply
    201,210,650.60x = 301,815,975.90 × 99,173,978.60
  4. Step 4: Simplify right side
    201,210,650.60x = 29,932,291,135,044,712
  5. Step 5: Solve for x
    x = 29,932,291,135,044,712/201,210,650.60
  6. Step 6: Final answer
    x = 148,760,967.90

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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.