Home / 76,314,137.60-114,303,244.80-45,969,075.20

Finding the Fourth Proportional to 76,314,137.60, 114,303,244.80 and 45,969,075.20

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Solution

The fourth proportional to 76,314,137.60, 114,303,244.80 and 45,969,075.20 is: 68,852,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,314,137.60 : 114,303,244.80 = 45,969,075.20 : x
  2. Step 2: Convert to fraction form
    76,314,137.60/114,303,244.80 = 45,969,075.20/x
  3. Step 3: Cross multiply
    76,314,137.60x = 114,303,244.80 × 45,969,075.20
  4. Step 4: Simplify right side
    76,314,137.60x = 5,254,414,455,815,209
  5. Step 5: Solve for x
    x = 5,254,414,455,815,209/76,314,137.60
  6. Step 6: Final answer
    x = 68,852,438.37

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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.