Home / 80,482,804.72-111,090,355.81-47,001,315.24

Finding the Fourth Proportional to 80,482,804.72, 111,090,355.81 and 47,001,315.24

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Solution

The fourth proportional to 80,482,804.72, 111,090,355.81 and 47,001,315.24 is: 64,875,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482,804.72 : 111,090,355.81 = 47,001,315.24 : x
  2. Step 2: Convert to fraction form
    80,482,804.72/111,090,355.81 = 47,001,315.24/x
  3. Step 3: Cross multiply
    80,482,804.72x = 111,090,355.81 × 47,001,315.24
  4. Step 4: Simplify right side
    80,482,804.72x = 5,221,392,833,432,073
  5. Step 5: Solve for x
    x = 5,221,392,833,432,073/80,482,804.72
  6. Step 6: Final answer
    x = 64,875,880.65

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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.