Home / 52,157,997.42-71,985,521.52-31,250,855.76

Finding the Fourth Proportional to 52,157,997.42, 71,985,521.52 and 31,250,855.76

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Solution

The fourth proportional to 52,157,997.42, 71,985,521.52 and 31,250,855.76 is: 43,130,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157,997.42 : 71,985,521.52 = 31,250,855.76 : x
  2. Step 2: Convert to fraction form
    52,157,997.42/71,985,521.52 = 31,250,855.76/x
  3. Step 3: Cross multiply
    52,157,997.42x = 71,985,521.52 × 31,250,855.76
  4. Step 4: Simplify right side
    52,157,997.42x = 2,249,609,149,829,896
  5. Step 5: Solve for x
    x = 2,249,609,149,829,896/52,157,997.42
  6. Step 6: Final answer
    x = 43,130,665.69

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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.