Home / 188,745,384.96-260,452,018.08-105,107,195.52

Finding the Fourth Proportional to 188,745,384.96, 260,452,018.08 and 105,107,195.52

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Solution

The fourth proportional to 188,745,384.96, 260,452,018.08 and 105,107,195.52 is: 145,038,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,745,384.96 : 260,452,018.08 = 105,107,195.52 : x
  2. Step 2: Convert to fraction form
    188,745,384.96/260,452,018.08 = 105,107,195.52/x
  3. Step 3: Cross multiply
    188,745,384.96x = 260,452,018.08 × 105,107,195.52
  4. Step 4: Simplify right side
    188,745,384.96x = 27,375,381,187,913,136
  5. Step 5: Solve for x
    x = 27,375,381,187,913,136/188,745,384.96
  6. Step 6: Final answer
    x = 145,038,678.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.