Home / 54,785,133.40-75,605,860.63-30,338,847.40

Finding the Fourth Proportional to 54,785,133.40, 75,605,860.63 and 30,338,847.40

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Solution

The fourth proportional to 54,785,133.40, 75,605,860.63 and 30,338,847.40 is: 41,868,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785,133.40 : 75,605,860.63 = 30,338,847.40 : x
  2. Step 2: Convert to fraction form
    54,785,133.40/75,605,860.63 = 30,338,847.40/x
  3. Step 3: Cross multiply
    54,785,133.40x = 75,605,860.63 × 30,338,847.40
  4. Step 4: Simplify right side
    54,785,133.40x = 2,293,794,668,199,237.50
  5. Step 5: Solve for x
    x = 2,293,794,668,199,237.50/54,785,133.40
  6. Step 6: Final answer
    x = 41,868,925.49

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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.