Home / 72,541,811.85-100,107,707.45-39,502,051.62

Finding the Fourth Proportional to 72,541,811.85, 100,107,707.45 and 39,502,051.62

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Solution

The fourth proportional to 72,541,811.85, 100,107,707.45 and 39,502,051.62 is: 54,512,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,541,811.85 : 100,107,707.45 = 39,502,051.62 : x
  2. Step 2: Convert to fraction form
    72,541,811.85/100,107,707.45 = 39,502,051.62/x
  3. Step 3: Cross multiply
    72,541,811.85x = 100,107,707.45 × 39,502,051.62
  4. Step 4: Simplify right side
    72,541,811.85x = 3,954,459,827,052,248
  5. Step 5: Solve for x
    x = 3,954,459,827,052,248/72,541,811.85
  6. Step 6: Final answer
    x = 54,512,835.10

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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.