Home / 43,137,118,914.80-64,705,678,372.20-21,042,778,204.40

Finding the Fourth Proportional to 43,137,118,914.80, 64,705,678,372.20 and 21,042,778,204.40

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Solution

The fourth proportional to 43,137,118,914.80, 64,705,678,372.20 and 21,042,778,204.40 is: 31,564,167,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,118,914.80 : 64,705,678,372.20 = 21,042,778,204.40 : x
  2. Step 2: Convert to fraction form
    43,137,118,914.80/64,705,678,372.20 = 21,042,778,204.40/x
  3. Step 3: Cross multiply
    43,137,118,914.80x = 64,705,678,372.20 × 21,042,778,204.40
  4. Step 4: Simplify right side
    43,137,118,914.80x = 1,361,587,238,551,446,618,112
  5. Step 5: Solve for x
    x = 1,361,587,238,551,446,618,112/43,137,118,914.80
  6. Step 6: Final answer
    x = 31,564,167,306.60

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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.