Home / 199,290,453.80-275,020,420.23-111,179,196.74

Finding the Fourth Proportional to 199,290,453.80, 275,020,420.23 and 111,179,196.74

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Solution

The fourth proportional to 199,290,453.80, 275,020,420.23 and 111,179,196.74 is: 153,427,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,453.80 : 275,020,420.23 = 111,179,196.74 : x
  2. Step 2: Convert to fraction form
    199,290,453.80/275,020,420.23 = 111,179,196.74/x
  3. Step 3: Cross multiply
    199,290,453.80x = 275,020,420.23 × 111,179,196.74
  4. Step 4: Simplify right side
    199,290,453.80x = 30,576,549,408,956,200
  5. Step 5: Solve for x
    x = 30,576,549,408,956,200/199,290,453.80
  6. Step 6: Final answer
    x = 153,427,065.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.