Home / 144,358,855.60-216,551,012.82-40,728,967.60

Finding the Fourth Proportional to 144,358,855.60, 216,551,012.82 and 40,728,967.60

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Solution

The fourth proportional to 144,358,855.60, 216,551,012.82 and 40,728,967.60 is: 61,097,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358,855.60 : 216,551,012.82 = 40,728,967.60 : x
  2. Step 2: Convert to fraction form
    144,358,855.60/216,551,012.82 = 40,728,967.60/x
  3. Step 3: Cross multiply
    144,358,855.60x = 216,551,012.82 × 40,728,967.60
  4. Step 4: Simplify right side
    144,358,855.60x = 8,819,899,184,892,965
  5. Step 5: Solve for x
    x = 8,819,899,184,892,965/144,358,855.60
  6. Step 6: Final answer
    x = 61,097,042.84

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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.