Home / 81,938,673.28-113,074,031.48-44,768,153.64

Finding the Fourth Proportional to 81,938,673.28, 113,074,031.48 and 44,768,153.64

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Solution

The fourth proportional to 81,938,673.28, 113,074,031.48 and 44,768,153.64 is: 61,779,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,673.28 : 113,074,031.48 = 44,768,153.64 : x
  2. Step 2: Convert to fraction form
    81,938,673.28/113,074,031.48 = 44,768,153.64/x
  3. Step 3: Cross multiply
    81,938,673.28x = 113,074,031.48 × 44,768,153.64
  4. Step 4: Simplify right side
    81,938,673.28x = 5,062,115,613,990,837
  5. Step 5: Solve for x
    x = 5,062,115,613,990,837/81,938,673.28
  6. Step 6: Final answer
    x = 61,779,321.18

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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.