Home / 118,333,817.52-163,299,871.72-66,122,974.68

Finding the Fourth Proportional to 118,333,817.52, 163,299,871.72 and 66,122,974.68

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Solution

The fourth proportional to 118,333,817.52, 163,299,871.72 and 66,122,974.68 is: 91,249,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,333,817.52 : 163,299,871.72 = 66,122,974.68 : x
  2. Step 2: Convert to fraction form
    118,333,817.52/163,299,871.72 = 66,122,974.68/x
  3. Step 3: Cross multiply
    118,333,817.52x = 163,299,871.72 × 66,122,974.68
  4. Step 4: Simplify right side
    118,333,817.52x = 10,797,873,282,988,808
  5. Step 5: Solve for x
    x = 10,797,873,282,988,808/118,333,817.52
  6. Step 6: Final answer
    x = 91,249,260.01

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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.