Home / 170,311,887.93-235,030,369.13-91,995,442.20

Finding the Fourth Proportional to 170,311,887.93, 235,030,369.13 and 91,995,442.20

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Solution

The fourth proportional to 170,311,887.93, 235,030,369.13 and 91,995,442.20 is: 126,953,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,311,887.93 : 235,030,369.13 = 91,995,442.20 : x
  2. Step 2: Convert to fraction form
    170,311,887.93/235,030,369.13 = 91,995,442.20/x
  3. Step 3: Cross multiply
    170,311,887.93x = 235,030,369.13 × 91,995,442.20
  4. Step 4: Simplify right side
    170,311,887.93x = 21,621,722,738,428,584
  5. Step 5: Solve for x
    x = 21,621,722,738,428,584/170,311,887.93
  6. Step 6: Final answer
    x = 126,953,690.67

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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.