Home / 230,175,129.60-345,395,404.80-86,670,950.40

Finding the Fourth Proportional to 230,175,129.60, 345,395,404.80 and 86,670,950.40

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Solution

The fourth proportional to 230,175,129.60, 345,395,404.80 and 86,670,950.40 is: 130,056,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,175,129.60 : 345,395,404.80 = 86,670,950.40 : x
  2. Step 2: Convert to fraction form
    230,175,129.60/345,395,404.80 = 86,670,950.40/x
  3. Step 3: Cross multiply
    230,175,129.60x = 345,395,404.80 × 86,670,950.40
  4. Step 4: Simplify right side
    230,175,129.60x = 29,935,747,997,808,724
  5. Step 5: Solve for x
    x = 29,935,747,997,808,724/230,175,129.60
  6. Step 6: Final answer
    x = 130,056,396.84

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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.