Home / 110,716,962.40-166,075,443.60-74,437,256.80

Finding the Fourth Proportional to 110,716,962.40, 166,075,443.60 and 74,437,256.80

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Solution

The fourth proportional to 110,716,962.40, 166,075,443.60 and 74,437,256.80 is: 111,655,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716,962.40 : 166,075,443.60 = 74,437,256.80 : x
  2. Step 2: Convert to fraction form
    110,716,962.40/166,075,443.60 = 74,437,256.80/x
  3. Step 3: Cross multiply
    110,716,962.40x = 166,075,443.60 × 74,437,256.80
  4. Step 4: Simplify right side
    110,716,962.40x = 12,362,200,443,427,116
  5. Step 5: Solve for x
    x = 12,362,200,443,427,116/110,716,962.40
  6. Step 6: Final answer
    x = 111,655,885.20

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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.