Home / 190,318,007.30-262,651,845.58-107,812,470.02

Finding the Fourth Proportional to 190,318,007.30, 262,651,845.58 and 107,812,470.02

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Solution

The fourth proportional to 190,318,007.30, 262,651,845.58 and 107,812,470.02 is: 148,788,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,318,007.30 : 262,651,845.58 = 107,812,470.02 : x
  2. Step 2: Convert to fraction form
    190,318,007.30/262,651,845.58 = 107,812,470.02/x
  3. Step 3: Cross multiply
    190,318,007.30x = 262,651,845.58 × 107,812,470.02
  4. Step 4: Simplify right side
    190,318,007.30x = 28,317,144,225,708,628
  5. Step 5: Solve for x
    x = 28,317,144,225,708,628/190,318,007.30
  6. Step 6: Final answer
    x = 148,788,570.39

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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.