Home / 98,496,103.80-147,744,155.70-91,329,742.20

Finding the Fourth Proportional to 98,496,103.80, 147,744,155.70 and 91,329,742.20

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Solution

The fourth proportional to 98,496,103.80, 147,744,155.70 and 91,329,742.20 is: 136,994,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,103.80 : 147,744,155.70 = 91,329,742.20 : x
  2. Step 2: Convert to fraction form
    98,496,103.80/147,744,155.70 = 91,329,742.20/x
  3. Step 3: Cross multiply
    98,496,103.80x = 147,744,155.70 × 91,329,742.20
  4. Step 4: Simplify right side
    98,496,103.80x = 13,493,435,651,637,660
  5. Step 5: Solve for x
    x = 13,493,435,651,637,660/98,496,103.80
  6. Step 6: Final answer
    x = 136,994,613.30

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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.