Home / 43,671,870.80-65,507,806.20-43,388,435.60

Finding the Fourth Proportional to 43,671,870.80, 65,507,806.20 and 43,388,435.60

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Solution

The fourth proportional to 43,671,870.80, 65,507,806.20 and 43,388,435.60 is: 65,082,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,671,870.80 : 65,507,806.20 = 43,388,435.60 : x
  2. Step 2: Convert to fraction form
    43,671,870.80/65,507,806.20 = 43,388,435.60/x
  3. Step 3: Cross multiply
    43,671,870.80x = 65,507,806.20 × 43,388,435.60
  4. Step 4: Simplify right side
    43,671,870.80x = 2,842,281,230,605,981
  5. Step 5: Solve for x
    x = 2,842,281,230,605,981/43,671,870.80
  6. Step 6: Final answer
    x = 65,082,653.40

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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.