Home / 154,395,871.84-213,070,004.94-83,834,456.07

Finding the Fourth Proportional to 154,395,871.84, 213,070,004.94 and 83,834,456.07

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Solution

The fourth proportional to 154,395,871.84, 213,070,004.94 and 83,834,456.07 is: 115,693,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,395,871.84 : 213,070,004.94 = 83,834,456.07 : x
  2. Step 2: Convert to fraction form
    154,395,871.84/213,070,004.94 = 83,834,456.07/x
  3. Step 3: Cross multiply
    154,395,871.84x = 213,070,004.94 × 83,834,456.07
  4. Step 4: Simplify right side
    154,395,871.84x = 17,862,607,969,300,204
  5. Step 5: Solve for x
    x = 17,862,607,969,300,204/154,395,871.84
  6. Step 6: Final answer
    x = 115,693,559.40

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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.