Home / 52,402,199.22-72,315,331.16-30,388,768.93

Finding the Fourth Proportional to 52,402,199.22, 72,315,331.16 and 30,388,768.93

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Solution

The fourth proportional to 52,402,199.22, 72,315,331.16 and 30,388,768.93 is: 41,936,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402,199.22 : 72,315,331.16 = 30,388,768.93 : x
  2. Step 2: Convert to fraction form
    52,402,199.22/72,315,331.16 = 30,388,768.93/x
  3. Step 3: Cross multiply
    52,402,199.22x = 72,315,331.16 × 30,388,768.93
  4. Step 4: Simplify right side
    52,402,199.22x = 2,197,573,888,717,668.75
  5. Step 5: Solve for x
    x = 2,197,573,888,717,668.75/52,402,199.22
  6. Step 6: Final answer
    x = 41,936,672.92

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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.