Home / 100,143,483.44-138,265,489.66-62,523,980.64

Finding the Fourth Proportional to 100,143,483.44, 138,265,489.66 and 62,523,980.64

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Solution

The fourth proportional to 100,143,483.44, 138,265,489.66 and 62,523,980.64 is: 86,325,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,143,483.44 : 138,265,489.66 = 62,523,980.64 : x
  2. Step 2: Convert to fraction form
    100,143,483.44/138,265,489.66 = 62,523,980.64/x
  3. Step 3: Cross multiply
    100,143,483.44x = 138,265,489.66 × 62,523,980.64
  4. Step 4: Simplify right side
    100,143,483.44x = 8,644,908,798,681,960
  5. Step 5: Solve for x
    x = 8,644,908,798,681,960/100,143,483.44
  6. Step 6: Final answer
    x = 86,325,225.58

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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.