Home / 90,338,952.58-135,508,160.71-25,642,812.38

Finding the Fourth Proportional to 90,338,952.58, 135,508,160.71 and 25,642,812.38

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Solution

The fourth proportional to 90,338,952.58, 135,508,160.71 and 25,642,812.38 is: 38,464,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338,952.58 : 135,508,160.71 = 25,642,812.38 : x
  2. Step 2: Convert to fraction form
    90,338,952.58/135,508,160.71 = 25,642,812.38/x
  3. Step 3: Cross multiply
    90,338,952.58x = 135,508,160.71 × 25,642,812.38
  4. Step 4: Simplify right side
    90,338,952.58x = 3,474,810,341,045,417.50
  5. Step 5: Solve for x
    x = 3,474,810,341,045,417.50/90,338,952.58
  6. Step 6: Final answer
    x = 38,464,142.45

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1.5x scale

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.