Home / 70,665,041.80-105,918,830.70-27,519,905.80

Finding the Fourth Proportional to 70,665,041.80, 105,918,830.70 and 27,519,905.80

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Solution

The fourth proportional to 70,665,041.80, 105,918,830.70 and 27,519,905.80 is: 41,249,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665,041.80 : 105,918,830.70 = 27,519,905.80 : x
  2. Step 2: Convert to fraction form
    70,665,041.80/105,918,830.70 = 27,519,905.80/x
  3. Step 3: Cross multiply
    70,665,041.80x = 105,918,830.70 × 27,519,905.80
  4. Step 4: Simplify right side
    70,665,041.80x = 2,914,876,243,310,148
  5. Step 5: Solve for x
    x = 2,914,876,243,310,148/70,665,041.80
  6. Step 6: Final answer
    x = 41,249,197.19

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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.