Home / 155,591,208.72-233,427,165.66-82,748,090.16

Finding the Fourth Proportional to 155,591,208.72, 233,427,165.66 and 82,748,090.16

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Solution

The fourth proportional to 155,591,208.72, 233,427,165.66 and 82,748,090.16 is: 124,143,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,591,208.72 : 233,427,165.66 = 82,748,090.16 : x
  2. Step 2: Convert to fraction form
    155,591,208.72/233,427,165.66 = 82,748,090.16/x
  3. Step 3: Cross multiply
    155,591,208.72x = 233,427,165.66 × 82,748,090.16
  4. Step 4: Simplify right side
    155,591,208.72x = 19,315,652,149,826,936
  5. Step 5: Solve for x
    x = 19,315,652,149,826,936/155,591,208.72
  6. Step 6: Final answer
    x = 124,143,595.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.