Home / 51,293,022.08-70,782,244.65-28,087,749.20

Finding the Fourth Proportional to 51,293,022.08, 70,782,244.65 and 28,087,749.20

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Solution

The fourth proportional to 51,293,022.08, 70,782,244.65 and 28,087,749.20 is: 38,759,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293,022.08 : 70,782,244.65 = 28,087,749.20 : x
  2. Step 2: Convert to fraction form
    51,293,022.08/70,782,244.65 = 28,087,749.20/x
  3. Step 3: Cross multiply
    51,293,022.08x = 70,782,244.65 × 28,087,749.20
  4. Step 4: Simplify right side
    51,293,022.08x = 1,988,113,935,542,242
  5. Step 5: Solve for x
    x = 1,988,113,935,542,242/51,293,022.08
  6. Step 6: Final answer
    x = 38,759,929.81

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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.