Home / 163,615,554.56-225,789,308.16-90,276,700.16

Finding the Fourth Proportional to 163,615,554.56, 225,789,308.16 and 90,276,700.16

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Solution

The fourth proportional to 163,615,554.56, 225,789,308.16 and 90,276,700.16 is: 124,581,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,615,554.56 : 225,789,308.16 = 90,276,700.16 : x
  2. Step 2: Convert to fraction form
    163,615,554.56/225,789,308.16 = 90,276,700.16/x
  3. Step 3: Cross multiply
    163,615,554.56x = 225,789,308.16 × 90,276,700.16
  4. Step 4: Simplify right side
    163,615,554.56x = 20,383,513,672,094,160
  5. Step 5: Solve for x
    x = 20,383,513,672,094,160/163,615,554.56
  6. Step 6: Final answer
    x = 124,581,759.52

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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.