Home / 79,911,913.15-110,278,730.78-43,242,484.15

Finding the Fourth Proportional to 79,911,913.15, 110,278,730.78 and 43,242,484.15

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Solution

The fourth proportional to 79,911,913.15, 110,278,730.78 and 43,242,484.15 is: 59,674,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,911,913.15 : 110,278,730.78 = 43,242,484.15 : x
  2. Step 2: Convert to fraction form
    79,911,913.15/110,278,730.78 = 43,242,484.15/x
  3. Step 3: Cross multiply
    79,911,913.15x = 110,278,730.78 × 43,242,484.15
  4. Step 4: Simplify right side
    79,911,913.15x = 4,768,726,267,836,267
  5. Step 5: Solve for x
    x = 4,768,726,267,836,267/79,911,913.15
  6. Step 6: Final answer
    x = 59,674,785.40

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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.