Home / 20,396,514,140.70-30,594,771,211.05-12,111,136,374.30

Finding the Fourth Proportional to 20,396,514,140.70, 30,594,771,211.05 and 12,111,136,374.30

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Solution

The fourth proportional to 20,396,514,140.70, 30,594,771,211.05 and 12,111,136,374.30 is: 18,166,704,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,514,140.70 : 30,594,771,211.05 = 12,111,136,374.30 : x
  2. Step 2: Convert to fraction form
    20,396,514,140.70/30,594,771,211.05 = 12,111,136,374.30/x
  3. Step 3: Cross multiply
    20,396,514,140.70x = 30,594,771,211.05 × 12,111,136,374.30
  4. Step 4: Simplify right side
    20,396,514,140.70x = 370,537,446,477,534,068,736
  5. Step 5: Solve for x
    x = 370,537,446,477,534,068,736/20,396,514,140.70
  6. Step 6: Final answer
    x = 18,166,704,561.45

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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.