Home / 30,169,892.80-45,254,839.20-18,076,657.60

Finding the Fourth Proportional to 30,169,892.80, 45,254,839.20 and 18,076,657.60

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Solution

The fourth proportional to 30,169,892.80, 45,254,839.20 and 18,076,657.60 is: 27,114,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169,892.80 : 45,254,839.20 = 18,076,657.60 : x
  2. Step 2: Convert to fraction form
    30,169,892.80/45,254,839.20 = 18,076,657.60/x
  3. Step 3: Cross multiply
    30,169,892.80x = 45,254,839.20 × 18,076,657.60
  4. Step 4: Simplify right side
    30,169,892.80x = 818,056,232,961,458
  5. Step 5: Solve for x
    x = 818,056,232,961,458/30,169,892.80
  6. Step 6: Final answer
    x = 27,114,986.40

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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.