Home / 71,748,162,332.40-107,621,676,628.20-18,689,092,892.40

Finding the Fourth Proportional to 71,748,162,332.40, 107,621,676,628.20 and 18,689,092,892.40

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Solution

The fourth proportional to 71,748,162,332.40, 107,621,676,628.20 and 18,689,092,892.40 is: 28,033,491,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748,162,332.40 : 107,621,676,628.20 = 18,689,092,892.40 : x
  2. Step 2: Convert to fraction form
    71,748,162,332.40/107,621,676,628.20 = 18,689,092,892.40/x
  3. Step 3: Cross multiply
    71,748,162,332.40x = 107,621,676,628.20 × 18,689,092,892.40
  4. Step 4: Simplify right side
    71,748,162,332.40x = 2,011,351,511,740,263,956,480
  5. Step 5: Solve for x
    x = 2,011,351,511,740,263,956,480/71,748,162,332.40
  6. Step 6: Final answer
    x = 28,033,491,679.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.