Home / 90,223,748.89-124,487,431.21-51,065,525.65

Finding the Fourth Proportional to 90,223,748.89, 124,487,431.21 and 51,065,525.65

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Solution

The fourth proportional to 90,223,748.89, 124,487,431.21 and 51,065,525.65 is: 70,458,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223,748.89 : 124,487,431.21 = 51,065,525.65 : x
  2. Step 2: Convert to fraction form
    90,223,748.89/124,487,431.21 = 51,065,525.65/x
  3. Step 3: Cross multiply
    90,223,748.89x = 124,487,431.21 × 51,065,525.65
  4. Step 4: Simplify right side
    90,223,748.89x = 6,357,016,111,556,865
  5. Step 5: Solve for x
    x = 6,357,016,111,556,865/90,223,748.89
  6. Step 6: Final answer
    x = 70,458,345.94

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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.