Home / 139,599,710.51-209,495,210.56-48,723,299.51

Finding the Fourth Proportional to 139,599,710.51, 209,495,210.56 and 48,723,299.51

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Solution

The fourth proportional to 139,599,710.51, 209,495,210.56 and 48,723,299.51 is: 73,118,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,599,710.51 : 209,495,210.56 = 48,723,299.51 : x
  2. Step 2: Convert to fraction form
    139,599,710.51/209,495,210.56 = 48,723,299.51/x
  3. Step 3: Cross multiply
    139,599,710.51x = 209,495,210.56 × 48,723,299.51
  4. Step 4: Simplify right side
    139,599,710.51x = 10,207,297,888,856,112
  5. Step 5: Solve for x
    x = 10,207,297,888,856,112/139,599,710.51
  6. Step 6: Final answer
    x = 73,118,331.35

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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.