Home / 201,666,989.70-302,500,484.55-99,630,317.70

Finding the Fourth Proportional to 201,666,989.70, 302,500,484.55 and 99,630,317.70

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Solution

The fourth proportional to 201,666,989.70, 302,500,484.55 and 99,630,317.70 is: 149,445,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,666,989.70 : 302,500,484.55 = 99,630,317.70 : x
  2. Step 2: Convert to fraction form
    201,666,989.70/302,500,484.55 = 99,630,317.70/x
  3. Step 3: Cross multiply
    201,666,989.70x = 302,500,484.55 × 99,630,317.70
  4. Step 4: Simplify right side
    201,666,989.70x = 30,138,219,380,120,444
  5. Step 5: Solve for x
    x = 30,138,219,380,120,444/201,666,989.70
  6. Step 6: Final answer
    x = 149,445,476.55

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1.5x scale

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.