Home / 325,401,542.28-488,102,157.90-83,064,368.52

Finding the Fourth Proportional to 325,401,542.28, 488,102,157.90 and 83,064,368.52

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Solution

The fourth proportional to 325,401,542.28, 488,102,157.90 and 83,064,368.52 is: 124,596,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,401,542.28 : 488,102,157.90 = 83,064,368.52 : x
  2. Step 2: Convert to fraction form
    325,401,542.28/488,102,157.90 = 83,064,368.52/x
  3. Step 3: Cross multiply
    325,401,542.28x = 488,102,157.90 × 83,064,368.52
  4. Step 4: Simplify right side
    325,401,542.28x = 40,543,897,519,212,824
  5. Step 5: Solve for x
    x = 40,543,897,519,212,824/325,401,542.28
  6. Step 6: Final answer
    x = 124,596,513.08

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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.