Home / 66,705,389.53-100,075,334.25-39,062,651.76

Finding the Fourth Proportional to 66,705,389.53, 100,075,334.25 and 39,062,651.76

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Solution

The fourth proportional to 66,705,389.53, 100,075,334.25 and 39,062,651.76 is: 58,604,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705,389.53 : 100,075,334.25 = 39,062,651.76 : x
  2. Step 2: Convert to fraction form
    66,705,389.53/100,075,334.25 = 39,062,651.76/x
  3. Step 3: Cross multiply
    66,705,389.53x = 100,075,334.25 × 39,062,651.76
  4. Step 4: Simplify right side
    66,705,389.53x = 3,909,207,931,719,835.50
  5. Step 5: Solve for x
    x = 3,909,207,931,719,835.50/66,705,389.53
  6. Step 6: Final answer
    x = 58,604,079.21

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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.