Home / 52,261,571.52-72,125,008.38-31,354,390.98

Finding the Fourth Proportional to 52,261,571.52, 72,125,008.38 and 31,354,390.98

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Solution

The fourth proportional to 52,261,571.52, 72,125,008.38 and 31,354,390.98 is: 43,271,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261,571.52 : 72,125,008.38 = 31,354,390.98 : x
  2. Step 2: Convert to fraction form
    52,261,571.52/72,125,008.38 = 31,354,390.98/x
  3. Step 3: Cross multiply
    52,261,571.52x = 72,125,008.38 × 31,354,390.98
  4. Step 4: Simplify right side
    52,261,571.52x = 2,261,435,712,182,296.50
  5. Step 5: Solve for x
    x = 2,261,435,712,182,296.50/52,261,571.52
  6. Step 6: Final answer
    x = 43,271,483.16

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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.