Home / 101,189,030.20-139,640,908.38-54,779,284.11

Finding the Fourth Proportional to 101,189,030.20, 139,640,908.38 and 54,779,284.11

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Solution

The fourth proportional to 101,189,030.20, 139,640,908.38 and 54,779,284.11 is: 75,595,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,030.20 : 139,640,908.38 = 54,779,284.11 : x
  2. Step 2: Convert to fraction form
    101,189,030.20/139,640,908.38 = 54,779,284.11/x
  3. Step 3: Cross multiply
    101,189,030.20x = 139,640,908.38 × 54,779,284.11
  4. Step 4: Simplify right side
    101,189,030.20x = 7,649,428,993,526,499
  5. Step 5: Solve for x
    x = 7,649,428,993,526,499/101,189,030.20
  6. Step 6: Final answer
    x = 75,595,437.36

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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.