Home / 42,982,415.80-64,473,623.70-40,460,918.20

Finding the Fourth Proportional to 42,982,415.80, 64,473,623.70 and 40,460,918.20

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Solution

The fourth proportional to 42,982,415.80, 64,473,623.70 and 40,460,918.20 is: 60,691,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,982,415.80 : 64,473,623.70 = 40,460,918.20 : x
  2. Step 2: Convert to fraction form
    42,982,415.80/64,473,623.70 = 40,460,918.20/x
  3. Step 3: Cross multiply
    42,982,415.80x = 64,473,623.70 × 40,460,918.20
  4. Step 4: Simplify right side
    42,982,415.80x = 2,608,662,014,583,281.50
  5. Step 5: Solve for x
    x = 2,608,662,014,583,281.50/42,982,415.80
  6. Step 6: Final answer
    x = 60,691,377.30

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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.