Home / 260,109,322.63-390,165,287.78-66,020,795.71

Finding the Fourth Proportional to 260,109,322.63, 390,165,287.78 and 66,020,795.71

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Solution

The fourth proportional to 260,109,322.63, 390,165,287.78 and 66,020,795.71 is: 99,031,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,109,322.63 : 390,165,287.78 = 66,020,795.71 : x
  2. Step 2: Convert to fraction form
    260,109,322.63/390,165,287.78 = 66,020,795.71/x
  3. Step 3: Cross multiply
    260,109,322.63x = 390,165,287.78 × 66,020,795.71
  4. Step 4: Simplify right side
    260,109,322.63x = 25,759,022,757,326,636
  5. Step 5: Solve for x
    x = 25,759,022,757,326,636/260,109,322.63
  6. Step 6: Final answer
    x = 99,031,524.50

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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.