Home / 70,665,074.80-105,918,880.20-27,519,938.80

Finding the Fourth Proportional to 70,665,074.80, 105,918,880.20 and 27,519,938.80

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Solution

The fourth proportional to 70,665,074.80, 105,918,880.20 and 27,519,938.80 is: 41,249,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665,074.80 : 105,918,880.20 = 27,519,938.80 : x
  2. Step 2: Convert to fraction form
    70,665,074.80/105,918,880.20 = 27,519,938.80/x
  3. Step 3: Cross multiply
    70,665,074.80x = 105,918,880.20 × 27,519,938.80
  4. Step 4: Simplify right side
    70,665,074.80x = 2,914,881,100,868,532
  5. Step 5: Solve for x
    x = 2,914,881,100,868,532/70,665,074.80
  6. Step 6: Final answer
    x = 41,249,246.66

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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.