Home / 145,151,913.62-200,309,552.48-79,961,817.62

Finding the Fourth Proportional to 145,151,913.62, 200,309,552.48 and 79,961,817.62

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Solution

The fourth proportional to 145,151,913.62, 200,309,552.48 and 79,961,817.62 is: 110,347,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,913.62 : 200,309,552.48 = 79,961,817.62 : x
  2. Step 2: Convert to fraction form
    145,151,913.62/200,309,552.48 = 79,961,817.62/x
  3. Step 3: Cross multiply
    145,151,913.62x = 200,309,552.48 × 79,961,817.62
  4. Step 4: Simplify right side
    145,151,913.62x = 16,017,115,902,549,770
  5. Step 5: Solve for x
    x = 16,017,115,902,549,770/145,151,913.62
  6. Step 6: Final answer
    x = 110,347,259.66

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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.