Home / 47,880,015.10-71,820,022.65-47,124,187.90

Finding the Fourth Proportional to 47,880,015.10, 71,820,022.65 and 47,124,187.90

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Solution

The fourth proportional to 47,880,015.10, 71,820,022.65 and 47,124,187.90 is: 70,686,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,015.10 : 71,820,022.65 = 47,124,187.90 : x
  2. Step 2: Convert to fraction form
    47,880,015.10/71,820,022.65 = 47,124,187.90/x
  3. Step 3: Cross multiply
    47,880,015.10x = 71,820,022.65 × 47,124,187.90
  4. Step 4: Simplify right side
    47,880,015.10x = 3,384,460,242,340,856
  5. Step 5: Solve for x
    x = 3,384,460,242,340,856/47,880,015.10
  6. Step 6: Final answer
    x = 70,686,281.85

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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.