Home / 217,242,722.90-299,792,866.55-118,123,507.07

Finding the Fourth Proportional to 217,242,722.90, 299,792,866.55 and 118,123,507.07

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Solution

The fourth proportional to 217,242,722.90, 299,792,866.55 and 118,123,507.07 is: 163,009,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,242,722.90 : 299,792,866.55 = 118,123,507.07 : x
  2. Step 2: Convert to fraction form
    217,242,722.90/299,792,866.55 = 118,123,507.07/x
  3. Step 3: Cross multiply
    217,242,722.90x = 299,792,866.55 × 118,123,507.07
  4. Step 4: Simplify right side
    217,242,722.90x = 35,412,584,789,364,912
  5. Step 5: Solve for x
    x = 35,412,584,789,364,912/217,242,722.90
  6. Step 6: Final answer
    x = 163,009,302.76

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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.