Home / 56,051,208.80-84,076,813.20-15,661,692.80

Finding the Fourth Proportional to 56,051,208.80, 84,076,813.20 and 15,661,692.80

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Solution

The fourth proportional to 56,051,208.80, 84,076,813.20 and 15,661,692.80 is: 23,492,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051,208.80 : 84,076,813.20 = 15,661,692.80 : x
  2. Step 2: Convert to fraction form
    56,051,208.80/84,076,813.20 = 15,661,692.80/x
  3. Step 3: Cross multiply
    56,051,208.80x = 84,076,813.20 × 15,661,692.80
  4. Step 4: Simplify right side
    56,051,208.80x = 1,316,785,219,941,385
  5. Step 5: Solve for x
    x = 1,316,785,219,941,385/56,051,208.80
  6. Step 6: Final answer
    x = 23,492,539.20

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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.