Home / 52,130,287.74-71,935,041.52-30,933,414.90

Finding the Fourth Proportional to 52,130,287.74, 71,935,041.52 and 30,933,414.90

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Solution

The fourth proportional to 52,130,287.74, 71,935,041.52 and 30,933,414.90 is: 42,685,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130,287.74 : 71,935,041.52 = 30,933,414.90 : x
  2. Step 2: Convert to fraction form
    52,130,287.74/71,935,041.52 = 30,933,414.90/x
  3. Step 3: Cross multiply
    52,130,287.74x = 71,935,041.52 × 30,933,414.90
  4. Step 4: Simplify right side
    52,130,287.74x = 2,225,196,485,186,886.50
  5. Step 5: Solve for x
    x = 2,225,196,485,186,886.50/52,130,287.74
  6. Step 6: Final answer
    x = 42,685,290.68

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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.