Home / 199,557,427.80-299,168,180.10-103,819,315.80

Finding the Fourth Proportional to 199,557,427.80, 299,168,180.10 and 103,819,315.80

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Solution

The fourth proportional to 199,557,427.80, 299,168,180.10 and 103,819,315.80 is: 155,641,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,557,427.80 : 299,168,180.10 = 103,819,315.80 : x
  2. Step 2: Convert to fraction form
    199,557,427.80/299,168,180.10 = 103,819,315.80/x
  3. Step 3: Cross multiply
    199,557,427.80x = 299,168,180.10 × 103,819,315.80
  4. Step 4: Simplify right side
    199,557,427.80x = 31,059,435,767,113,176
  5. Step 5: Solve for x
    x = 31,059,435,767,113,176/199,557,427.80
  6. Step 6: Final answer
    x = 155,641,592.04

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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.