Home / 216,973,361.25-299,425,647.29-127,685,040.21

Finding the Fourth Proportional to 216,973,361.25, 299,425,647.29 and 127,685,040.21

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Solution

The fourth proportional to 216,973,361.25, 299,425,647.29 and 127,685,040.21 is: 176,206,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,973,361.25 : 299,425,647.29 = 127,685,040.21 : x
  2. Step 2: Convert to fraction form
    216,973,361.25/299,425,647.29 = 127,685,040.21/x
  3. Step 3: Cross multiply
    216,973,361.25x = 299,425,647.29 × 127,685,040.21
  4. Step 4: Simplify right side
    216,973,361.25x = 38,232,175,813,490,504
  5. Step 5: Solve for x
    x = 38,232,175,813,490,504/216,973,361.25
  6. Step 6: Final answer
    x = 176,206,773.00

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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.