Home / 87,258,487.44-120,423,911.40-50,095,939.32

Finding the Fourth Proportional to 87,258,487.44, 120,423,911.40 and 50,095,939.32

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Solution

The fourth proportional to 87,258,487.44, 120,423,911.40 and 50,095,939.32 is: 69,136,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258,487.44 : 120,423,911.40 = 50,095,939.32 : x
  2. Step 2: Convert to fraction form
    87,258,487.44/120,423,911.40 = 50,095,939.32/x
  3. Step 3: Cross multiply
    87,258,487.44x = 120,423,911.40 × 50,095,939.32
  4. Step 4: Simplify right side
    87,258,487.44x = 6,032,748,958,171,457
  5. Step 5: Solve for x
    x = 6,032,748,958,171,457/87,258,487.44
  6. Step 6: Final answer
    x = 69,136,529.12

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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.