Home / 143,856,465.70-215,784,698.55-142,848,696.10

Finding the Fourth Proportional to 143,856,465.70, 215,784,698.55 and 142,848,696.10

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Solution

The fourth proportional to 143,856,465.70, 215,784,698.55 and 142,848,696.10 is: 214,273,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,465.70 : 215,784,698.55 = 142,848,696.10 : x
  2. Step 2: Convert to fraction form
    143,856,465.70/215,784,698.55 = 142,848,696.10/x
  3. Step 3: Cross multiply
    143,856,465.70x = 215,784,698.55 × 142,848,696.10
  4. Step 4: Simplify right side
    143,856,465.70x = 30,824,562,826,199,060
  5. Step 5: Solve for x
    x = 30,824,562,826,199,060/143,856,465.70
  6. Step 6: Final answer
    x = 214,273,044.15

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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.