Home / 79,621,435.36-109,820,980.33-53,146,440.74

Finding the Fourth Proportional to 79,621,435.36, 109,820,980.33 and 53,146,440.74

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Solution

The fourth proportional to 79,621,435.36, 109,820,980.33 and 53,146,440.74 is: 73,304,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,621,435.36 : 109,820,980.33 = 53,146,440.74 : x
  2. Step 2: Convert to fraction form
    79,621,435.36/109,820,980.33 = 53,146,440.74/x
  3. Step 3: Cross multiply
    79,621,435.36x = 109,820,980.33 × 53,146,440.74
  4. Step 4: Simplify right side
    79,621,435.36x = 5,836,594,223,258,737
  5. Step 5: Solve for x
    x = 5,836,594,223,258,737/79,621,435.36
  6. Step 6: Final answer
    x = 73,304,308.03

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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.