Home / 72,612,014.02-100,204,595.13-39,572,270.98

Finding the Fourth Proportional to 72,612,014.02, 100,204,595.13 and 39,572,270.98

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Solution

The fourth proportional to 72,612,014.02, 100,204,595.13 and 39,572,270.98 is: 54,609,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,612,014.02 : 100,204,595.13 = 39,572,270.98 : x
  2. Step 2: Convert to fraction form
    72,612,014.02/100,204,595.13 = 39,572,270.98/x
  3. Step 3: Cross multiply
    72,612,014.02x = 100,204,595.13 × 39,572,270.98
  4. Step 4: Simplify right side
    72,612,014.02x = 3,965,323,391,925,548
  5. Step 5: Solve for x
    x = 3,965,323,391,925,548/72,612,014.02
  6. Step 6: Final answer
    x = 54,609,742.55

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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.