Home / 52,182,810.45-72,013,145.74-28,663,521.93

Finding the Fourth Proportional to 52,182,810.45, 72,013,145.74 and 28,663,521.93

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Solution

The fourth proportional to 52,182,810.45, 72,013,145.74 and 28,663,521.93 is: 39,556,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,182,810.45 : 72,013,145.74 = 28,663,521.93 : x
  2. Step 2: Convert to fraction form
    52,182,810.45/72,013,145.74 = 28,663,521.93/x
  3. Step 3: Cross multiply
    52,182,810.45x = 72,013,145.74 × 28,663,521.93
  4. Step 4: Simplify right side
    52,182,810.45x = 2,064,150,381,825,067.75
  5. Step 5: Solve for x
    x = 2,064,150,381,825,067.75/52,182,810.45
  6. Step 6: Final answer
    x = 39,556,136.67

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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.