Home / 65,400,386.27-90,252,618.54-35,630,886.38

Finding the Fourth Proportional to 65,400,386.27, 90,252,618.54 and 35,630,886.38

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Solution

The fourth proportional to 65,400,386.27, 90,252,618.54 and 35,630,886.38 is: 49,170,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400,386.27 : 90,252,618.54 = 35,630,886.38 : x
  2. Step 2: Convert to fraction form
    65,400,386.27/90,252,618.54 = 35,630,886.38/x
  3. Step 3: Cross multiply
    65,400,386.27x = 90,252,618.54 × 35,630,886.38
  4. Step 4: Simplify right side
    65,400,386.27x = 3,215,780,796,696,222
  5. Step 5: Solve for x
    x = 3,215,780,796,696,222/65,400,386.27
  6. Step 6: Final answer
    x = 49,170,669.78

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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.