Home / 217,984,542.34-300,816,472.46-118,865,038.56

Finding the Fourth Proportional to 217,984,542.34, 300,816,472.46 and 118,865,038.56

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Solution

The fourth proportional to 217,984,542.34, 300,816,472.46 and 118,865,038.56 is: 164,032,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,984,542.34 : 300,816,472.46 = 118,865,038.56 : x
  2. Step 2: Convert to fraction form
    217,984,542.34/300,816,472.46 = 118,865,038.56/x
  3. Step 3: Cross multiply
    217,984,542.34x = 300,816,472.46 × 118,865,038.56
  4. Step 4: Simplify right side
    217,984,542.34x = 35,756,561,598,441,076
  5. Step 5: Solve for x
    x = 35,756,561,598,441,076/217,984,542.34
  6. Step 6: Final answer
    x = 164,032,555.77

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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.