Home / 201,780,280.40-302,670,420.60-56,236,305.20

Finding the Fourth Proportional to 201,780,280.40, 302,670,420.60 and 56,236,305.20

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Solution

The fourth proportional to 201,780,280.40, 302,670,420.60 and 56,236,305.20 is: 84,354,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,780,280.40 : 302,670,420.60 = 56,236,305.20 : x
  2. Step 2: Convert to fraction form
    201,780,280.40/302,670,420.60 = 56,236,305.20/x
  3. Step 3: Cross multiply
    201,780,280.40x = 302,670,420.60 × 56,236,305.20
  4. Step 4: Simplify right side
    201,780,280.40x = 17,021,066,147,873,970
  5. Step 5: Solve for x
    x = 17,021,066,147,873,970/201,780,280.40
  6. Step 6: Final answer
    x = 84,354,457.80

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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.