Home / 43,137,118,942.80-64,705,678,414.20-21,042,778,232.40

Finding the Fourth Proportional to 43,137,118,942.80, 64,705,678,414.20 and 21,042,778,232.40

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Solution

The fourth proportional to 43,137,118,942.80, 64,705,678,414.20 and 21,042,778,232.40 is: 31,564,167,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,118,942.80 : 64,705,678,414.20 = 21,042,778,232.40 : x
  2. Step 2: Convert to fraction form
    43,137,118,942.80/64,705,678,414.20 = 21,042,778,232.40/x
  3. Step 3: Cross multiply
    43,137,118,942.80x = 64,705,678,414.20 × 21,042,778,232.40
  4. Step 4: Simplify right side
    43,137,118,942.80x = 1,361,587,241,247,002,329,088
  5. Step 5: Solve for x
    x = 1,361,587,241,247,002,329,088/43,137,118,942.80
  6. Step 6: Final answer
    x = 31,564,167,348.60

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1.5x scale

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.