Home / 145,739,997.45-218,648,283.37-52,376,395.42

Finding the Fourth Proportional to 145,739,997.45, 218,648,283.37 and 52,376,395.42

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Solution

The fourth proportional to 145,739,997.45, 218,648,283.37 and 52,376,395.42 is: 78,578,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,739,997.45 : 218,648,283.37 = 52,376,395.42 : x
  2. Step 2: Convert to fraction form
    145,739,997.45/218,648,283.37 = 52,376,395.42/x
  3. Step 3: Cross multiply
    145,739,997.45x = 218,648,283.37 × 52,376,395.42
  4. Step 4: Simplify right side
    145,739,997.45x = 11,452,008,946,897,940
  5. Step 5: Solve for x
    x = 11,452,008,946,897,940/145,739,997.45
  6. Step 6: Final answer
    x = 78,578,352.87

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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.