Home / 69,887,629.80-104,830,460.55-31,549,082.40

Finding the Fourth Proportional to 69,887,629.80, 104,830,460.55 and 31,549,082.40

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Solution

The fourth proportional to 69,887,629.80, 104,830,460.55 and 31,549,082.40 is: 47,323,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887,629.80 : 104,830,460.55 = 31,549,082.40 : x
  2. Step 2: Convert to fraction form
    69,887,629.80/104,830,460.55 = 31,549,082.40/x
  3. Step 3: Cross multiply
    69,887,629.80x = 104,830,460.55 × 31,549,082.40
  4. Step 4: Simplify right side
    69,887,629.80x = 3,307,304,837,921,899
  5. Step 5: Solve for x
    x = 3,307,304,837,921,899/69,887,629.80
  6. Step 6: Final answer
    x = 47,323,179.33

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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.