Home / 70,858,616.32-97,785,189.12-39,919,156.48

Finding the Fourth Proportional to 70,858,616.32, 97,785,189.12 and 39,919,156.48

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Solution

The fourth proportional to 70,858,616.32, 97,785,189.12 and 39,919,156.48 is: 55,088,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858,616.32 : 97,785,189.12 = 39,919,156.48 : x
  2. Step 2: Convert to fraction form
    70,858,616.32/97,785,189.12 = 39,919,156.48/x
  3. Step 3: Cross multiply
    70,858,616.32x = 97,785,189.12 × 39,919,156.48
  4. Step 4: Simplify right side
    70,858,616.32x = 3,903,502,265,907,673.50
  5. Step 5: Solve for x
    x = 3,903,502,265,907,673.50/70,858,616.32
  6. Step 6: Final answer
    x = 55,088,604.16

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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.