Home / 70,476,281.12-105,714,216.96-19,358,348.96

Finding the Fourth Proportional to 70,476,281.12, 105,714,216.96 and 19,358,348.96

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Solution

The fourth proportional to 70,476,281.12, 105,714,216.96 and 19,358,348.96 is: 29,037,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,476,281.12 : 105,714,216.96 = 19,358,348.96 : x
  2. Step 2: Convert to fraction form
    70,476,281.12/105,714,216.96 = 19,358,348.96/x
  3. Step 3: Cross multiply
    70,476,281.12x = 105,714,216.96 × 19,358,348.96
  4. Step 4: Simplify right side
    70,476,281.12x = 2,046,452,701,944,830.25
  5. Step 5: Solve for x
    x = 2,046,452,701,944,830.25/70,476,281.12
  6. Step 6: Final answer
    x = 29,037,467.21

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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.