Home / 69,971,249,818.20-104,981,363,528.58-20,287,553,487.96

Finding the Fourth Proportional to 69,971,249,818.20, 104,981,363,528.58 and 20,287,553,487.96

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Solution

The fourth proportional to 69,971,249,818.20, 104,981,363,528.58 and 20,287,553,487.96 is: 30,438,430,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971,249,818.20 : 104,981,363,528.58 = 20,287,553,487.96 : x
  2. Step 2: Convert to fraction form
    69,971,249,818.20/104,981,363,528.58 = 20,287,553,487.96/x
  3. Step 3: Cross multiply
    69,971,249,818.20x = 104,981,363,528.58 × 20,287,553,487.96
  4. Step 4: Simplify right side
    69,971,249,818.20x = 2,129,815,027,825,039,900,672
  5. Step 5: Solve for x
    x = 2,129,815,027,825,039,900,672/69,971,249,818.20
  6. Step 6: Final answer
    x = 30,438,430,546.24

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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.