Home / 124,985,516.42-187,409,933.52-99,243,178.58

Finding the Fourth Proportional to 124,985,516.42, 187,409,933.52 and 99,243,178.58

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Solution

The fourth proportional to 124,985,516.42, 187,409,933.52 and 99,243,178.58 is: 148,810,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,985,516.42 : 187,409,933.52 = 99,243,178.58 : x
  2. Step 2: Convert to fraction form
    124,985,516.42/187,409,933.52 = 99,243,178.58/x
  3. Step 3: Cross multiply
    124,985,516.42x = 187,409,933.52 × 99,243,178.58
  4. Step 4: Simplify right side
    124,985,516.42x = 18,599,157,499,991,288
  5. Step 5: Solve for x
    x = 18,599,157,499,991,288/124,985,516.42
  6. Step 6: Final answer
    x = 148,810,502.47

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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.