Home / 90,217,570.19-135,383,282.37-38,402,090.10

Finding the Fourth Proportional to 90,217,570.19, 135,383,282.37 and 38,402,090.10

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Solution

The fourth proportional to 90,217,570.19, 135,383,282.37 and 38,402,090.10 is: 57,627,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,570.19 : 135,383,282.37 = 38,402,090.10 : x
  2. Step 2: Convert to fraction form
    90,217,570.19/135,383,282.37 = 38,402,090.10/x
  3. Step 3: Cross multiply
    90,217,570.19x = 135,383,282.37 × 38,402,090.10
  4. Step 4: Simplify right side
    90,217,570.19x = 5,199,001,007,606,482
  5. Step 5: Solve for x
    x = 5,199,001,007,606,482/90,217,570.19
  6. Step 6: Final answer
    x = 57,627,366.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.