Home / 243,047,633,949.40-364,430,134,928.36-91,965,606,359.04

Finding the Fourth Proportional to 243,047,633,949.40, 364,430,134,928.36 and 91,965,606,359.04

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Solution

The fourth proportional to 243,047,633,949.40, 364,430,134,928.36 and 91,965,606,359.04 is: 137,894,937,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,047,633,949.40 : 364,430,134,928.36 = 91,965,606,359.04 : x
  2. Step 2: Convert to fraction form
    243,047,633,949.40/364,430,134,928.36 = 91,965,606,359.04/x
  3. Step 3: Cross multiply
    243,047,633,949.40x = 364,430,134,928.36 × 91,965,606,359.04
  4. Step 4: Simplify right side
    243,047,633,949.40x = 33,515,038,334,193,384,816,640
  5. Step 5: Solve for x
    x = 33,515,038,334,193,384,816,640/243,047,633,949.40
  6. Step 6: Final answer
    x = 137,894,937,669.59

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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.