Home / 274,387,492.86-378,655,103.60-148,939,607.33

Finding the Fourth Proportional to 274,387,492.86, 378,655,103.60 and 148,939,607.33

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Solution

The fourth proportional to 274,387,492.86, 378,655,103.60 and 148,939,607.33 is: 205,536,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,387,492.86 : 378,655,103.60 = 148,939,607.33 : x
  2. Step 2: Convert to fraction form
    274,387,492.86/378,655,103.60 = 148,939,607.33/x
  3. Step 3: Cross multiply
    274,387,492.86x = 378,655,103.60 × 148,939,607.33
  4. Step 4: Simplify right side
    274,387,492.86x = 56,396,742,443,684,480
  5. Step 5: Solve for x
    x = 56,396,742,443,684,480/274,387,492.86
  6. Step 6: Final answer
    x = 205,536,855.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.