Home / 43,148,973.80-64,723,460.70-39,453,818.60

Finding the Fourth Proportional to 43,148,973.80, 64,723,460.70 and 39,453,818.60

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Solution

The fourth proportional to 43,148,973.80, 64,723,460.70 and 39,453,818.60 is: 59,180,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148,973.80 : 64,723,460.70 = 39,453,818.60 : x
  2. Step 2: Convert to fraction form
    43,148,973.80/64,723,460.70 = 39,453,818.60/x
  3. Step 3: Cross multiply
    43,148,973.80x = 64,723,460.70 × 39,453,818.60
  4. Step 4: Simplify right side
    43,148,973.80x = 2,553,587,677,622,029
  5. Step 5: Solve for x
    x = 2,553,587,677,622,029/43,148,973.80
  6. Step 6: Final answer
    x = 59,180,727.90

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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.