Home / 48,620,955.69-72,931,557.06-19,867,091.31

Finding the Fourth Proportional to 48,620,955.69, 72,931,557.06 and 19,867,091.31

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Solution

The fourth proportional to 48,620,955.69, 72,931,557.06 and 19,867,091.31 is: 29,800,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620,955.69 : 72,931,557.06 = 19,867,091.31 : x
  2. Step 2: Convert to fraction form
    48,620,955.69/72,931,557.06 = 19,867,091.31/x
  3. Step 3: Cross multiply
    48,620,955.69x = 72,931,557.06 × 19,867,091.31
  4. Step 4: Simplify right side
    48,620,955.69x = 1,448,937,903,491,495
  5. Step 5: Solve for x
    x = 1,448,937,903,491,495/48,620,955.69
  6. Step 6: Final answer
    x = 29,800,687.44

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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.