Home / 130,297,855.70-195,446,783.55-99,686,854.10

Finding the Fourth Proportional to 130,297,855.70, 195,446,783.55 and 99,686,854.10

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Solution

The fourth proportional to 130,297,855.70, 195,446,783.55 and 99,686,854.10 is: 149,530,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,297,855.70 : 195,446,783.55 = 99,686,854.10 : x
  2. Step 2: Convert to fraction form
    130,297,855.70/195,446,783.55 = 99,686,854.10/x
  3. Step 3: Cross multiply
    130,297,855.70x = 195,446,783.55 × 99,686,854.10
  4. Step 4: Simplify right side
    130,297,855.70x = 19,483,474,996,063,132
  5. Step 5: Solve for x
    x = 19,483,474,996,063,132/130,297,855.70
  6. Step 6: Final answer
    x = 149,530,281.15

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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.