Home / 66,705,271.13-100,075,157.72-39,062,533.47

Finding the Fourth Proportional to 66,705,271.13, 100,075,157.72 and 39,062,533.47

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Solution

The fourth proportional to 66,705,271.13, 100,075,157.72 and 39,062,533.47 is: 58,603,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,271.13 : 100,075,157.72 = 39,062,533.47 : x
  2. Step 2: Convert to fraction form
    66,705,271.13/100,075,157.72 = 39,062,533.47/x
  3. Step 3: Cross multiply
    66,705,271.13x = 100,075,157.72 × 39,062,533.47
  4. Step 4: Simplify right side
    66,705,271.13x = 3,909,189,197,528,919
  5. Step 5: Solve for x
    x = 3,909,189,197,528,919/66,705,271.13
  6. Step 6: Final answer
    x = 58,603,902.38

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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.