Home / 79,709,682.64-110,000,581.32-47,117,667.28

Finding the Fourth Proportional to 79,709,682.64, 110,000,581.32 and 47,117,667.28

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Solution

The fourth proportional to 79,709,682.64, 110,000,581.32 and 47,117,667.28 is: 65,023,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,709,682.64 : 110,000,581.32 = 47,117,667.28 : x
  2. Step 2: Convert to fraction form
    79,709,682.64/110,000,581.32 = 47,117,667.28/x
  3. Step 3: Cross multiply
    79,709,682.64x = 110,000,581.32 × 47,117,667.28
  4. Step 4: Simplify right side
    79,709,682.64x = 5,182,970,791,242,343
  5. Step 5: Solve for x
    x = 5,182,970,791,242,343/79,709,682.64
  6. Step 6: Final answer
    x = 65,023,101.58

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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.