Home / 79,709,632.64-110,000,512.32-47,117,617.28

Finding the Fourth Proportional to 79,709,632.64, 110,000,512.32 and 47,117,617.28

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Solution

The fourth proportional to 79,709,632.64, 110,000,512.32 and 47,117,617.28 is: 65,023,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,709,632.64 : 110,000,512.32 = 47,117,617.28 : x
  2. Step 2: Convert to fraction form
    79,709,632.64/110,000,512.32 = 47,117,617.28/x
  3. Step 3: Cross multiply
    79,709,632.64x = 110,000,512.32 × 47,117,617.28
  4. Step 4: Simplify right side
    79,709,632.64x = 5,182,962,040,097,685
  5. Step 5: Solve for x
    x = 5,182,962,040,097,685/79,709,632.64
  6. Step 6: Final answer
    x = 65,023,032.58

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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.