Home / 70,273,879.76-105,008,002.66-53,563,012.40

Finding the Fourth Proportional to 70,273,879.76, 105,008,002.66 and 53,563,012.40

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Solution

The fourth proportional to 70,273,879.76, 105,008,002.66 and 53,563,012.40 is: 80,037,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273,879.76 : 105,008,002.66 = 53,563,012.40 : x
  2. Step 2: Convert to fraction form
    70,273,879.76/105,008,002.66 = 53,563,012.40/x
  3. Step 3: Cross multiply
    70,273,879.76x = 105,008,002.66 × 53,563,012.40
  4. Step 4: Simplify right side
    70,273,879.76x = 5,624,544,948,576,813
  5. Step 5: Solve for x
    x = 5,624,544,948,576,813/70,273,879.76
  6. Step 6: Final answer
    x = 80,037,490.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.