Home / 72,018,205.61-108,031,950.43-25,325,963.37

Finding the Fourth Proportional to 72,018,205.61, 108,031,950.43 and 25,325,963.37

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Solution

The fourth proportional to 72,018,205.61, 108,031,950.43 and 25,325,963.37 is: 37,990,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,018,205.61 : 108,031,950.43 = 25,325,963.37 : x
  2. Step 2: Convert to fraction form
    72,018,205.61/108,031,950.43 = 25,325,963.37/x
  3. Step 3: Cross multiply
    72,018,205.61x = 108,031,950.43 × 25,325,963.37
  4. Step 4: Simplify right side
    72,018,205.61x = 2,736,013,219,316,521
  5. Step 5: Solve for x
    x = 2,736,013,219,316,521/72,018,205.61
  6. Step 6: Final answer
    x = 37,990,577.47

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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.