Home / 85,988,308.76-118,525,559.80-58,102,309.16

Finding the Fourth Proportional to 85,988,308.76, 118,525,559.80 and 58,102,309.16

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Solution

The fourth proportional to 85,988,308.76, 118,525,559.80 and 58,102,309.16 is: 80,087,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,988,308.76 : 118,525,559.80 = 58,102,309.16 : x
  2. Step 2: Convert to fraction form
    85,988,308.76/118,525,559.80 = 58,102,309.16/x
  3. Step 3: Cross multiply
    85,988,308.76x = 118,525,559.80 × 58,102,309.16
  4. Step 4: Simplify right side
    85,988,308.76x = 6,886,608,718,861,667
  5. Step 5: Solve for x
    x = 6,886,608,718,861,667/85,988,308.76
  6. Step 6: Final answer
    x = 80,087,733.07

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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.