Home / 51,308,758.40-70,806,071.04-28,105,329.92

Finding the Fourth Proportional to 51,308,758.40, 70,806,071.04 and 28,105,329.92

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Solution

The fourth proportional to 51,308,758.40, 70,806,071.04 and 28,105,329.92 is: 38,785,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308,758.40 : 70,806,071.04 = 28,105,329.92 : x
  2. Step 2: Convert to fraction form
    51,308,758.40/70,806,071.04 = 28,105,329.92/x
  3. Step 3: Cross multiply
    51,308,758.40x = 70,806,071.04 × 28,105,329.92
  4. Step 4: Simplify right side
    51,308,758.40x = 1,990,027,986,918,157.75
  5. Step 5: Solve for x
    x = 1,990,027,986,918,157.75/51,308,758.40
  6. Step 6: Final answer
    x = 38,785,346.77

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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.