Home / 145,739,998.45-218,648,284.87-52,376,396.42

Finding the Fourth Proportional to 145,739,998.45, 218,648,284.87 and 52,376,396.42

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Solution

The fourth proportional to 145,739,998.45, 218,648,284.87 and 52,376,396.42 is: 78,578,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,739,998.45 : 218,648,284.87 = 52,376,396.42 : x
  2. Step 2: Convert to fraction form
    145,739,998.45/218,648,284.87 = 52,376,396.42/x
  3. Step 3: Cross multiply
    145,739,998.45x = 218,648,284.87 × 52,376,396.42
  4. Step 4: Simplify right side
    145,739,998.45x = 11,452,009,244,904,208
  5. Step 5: Solve for x
    x = 11,452,009,244,904,208/145,739,998.45
  6. Step 6: Final answer
    x = 78,578,354.38

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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.