Home / 42,701,855.40-64,052,783.10-40,611,666.60

Finding the Fourth Proportional to 42,701,855.40, 64,052,783.10 and 40,611,666.60

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Solution

The fourth proportional to 42,701,855.40, 64,052,783.10 and 40,611,666.60 is: 60,917,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701,855.40 : 64,052,783.10 = 40,611,666.60 : x
  2. Step 2: Convert to fraction form
    42,701,855.40/64,052,783.10 = 40,611,666.60/x
  3. Step 3: Cross multiply
    42,701,855.40x = 64,052,783.10 × 40,611,666.60
  4. Step 4: Simplify right side
    42,701,855.40x = 2,601,290,272,059,314.50
  5. Step 5: Solve for x
    x = 2,601,290,272,059,314.50/42,701,855.40
  6. Step 6: Final answer
    x = 60,917,499.90

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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.