Home / 199,627,779.70-299,441,669.55-170,402,461.30

Finding the Fourth Proportional to 199,627,779.70, 299,441,669.55 and 170,402,461.30

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Solution

The fourth proportional to 199,627,779.70, 299,441,669.55 and 170,402,461.30 is: 255,603,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,627,779.70 : 299,441,669.55 = 170,402,461.30 : x
  2. Step 2: Convert to fraction form
    199,627,779.70/299,441,669.55 = 170,402,461.30/x
  3. Step 3: Cross multiply
    199,627,779.70x = 299,441,669.55 × 170,402,461.30
  4. Step 4: Simplify right side
    199,627,779.70x = 51,025,597,507,101,272
  5. Step 5: Solve for x
    x = 51,025,597,507,101,272/199,627,779.70
  6. Step 6: Final answer
    x = 255,603,691.95

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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.