Home / 69,581,577.52-96,019,946.32-38,643,739.68

Finding the Fourth Proportional to 69,581,577.52, 96,019,946.32 and 38,643,739.68

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Solution

The fourth proportional to 69,581,577.52, 96,019,946.32 and 38,643,739.68 is: 53,326,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,577.52 : 96,019,946.32 = 38,643,739.68 : x
  2. Step 2: Convert to fraction form
    69,581,577.52/96,019,946.32 = 38,643,739.68/x
  3. Step 3: Cross multiply
    69,581,577.52x = 96,019,946.32 × 38,643,739.68
  4. Step 4: Simplify right side
    69,581,577.52x = 3,710,569,809,677,653.50
  5. Step 5: Solve for x
    x = 3,710,569,809,677,653.50/69,581,577.52
  6. Step 6: Final answer
    x = 53,326,899.76

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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.