Home / 280,184,991.60-420,277,487.40-151,044,828.60

Finding the Fourth Proportional to 280,184,991.60, 420,277,487.40 and 151,044,828.60

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Solution

The fourth proportional to 280,184,991.60, 420,277,487.40 and 151,044,828.60 is: 226,567,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,184,991.60 : 420,277,487.40 = 151,044,828.60 : x
  2. Step 2: Convert to fraction form
    280,184,991.60/420,277,487.40 = 151,044,828.60/x
  3. Step 3: Cross multiply
    280,184,991.60x = 420,277,487.40 × 151,044,828.60
  4. Step 4: Simplify right side
    280,184,991.60x = 63,480,741,048,771,656
  5. Step 5: Solve for x
    x = 63,480,741,048,771,656/280,184,991.60
  6. Step 6: Final answer
    x = 226,567,242.90

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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.