Home / 56,605,075.20-84,907,612.80-43,000,185.60

Finding the Fourth Proportional to 56,605,075.20, 84,907,612.80 and 43,000,185.60

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Solution

The fourth proportional to 56,605,075.20, 84,907,612.80 and 43,000,185.60 is: 64,500,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,605,075.20 : 84,907,612.80 = 43,000,185.60 : x
  2. Step 2: Convert to fraction form
    56,605,075.20/84,907,612.80 = 43,000,185.60/x
  3. Step 3: Cross multiply
    56,605,075.20x = 84,907,612.80 × 43,000,185.60
  4. Step 4: Simplify right side
    56,605,075.20x = 3,651,043,109,252,935.50
  5. Step 5: Solve for x
    x = 3,651,043,109,252,935.50/56,605,075.20
  6. Step 6: Final answer
    x = 64,500,278.40

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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.