Home / 125,341,792.44-187,572,828.28-100,689,142.03

Finding the Fourth Proportional to 125,341,792.44, 187,572,828.28 and 100,689,142.03

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Solution

The fourth proportional to 125,341,792.44, 187,572,828.28 and 100,689,142.03 is: 150,680,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341,792.44 : 187,572,828.28 = 100,689,142.03 : x
  2. Step 2: Convert to fraction form
    125,341,792.44/187,572,828.28 = 100,689,142.03/x
  3. Step 3: Cross multiply
    125,341,792.44x = 187,572,828.28 × 100,689,142.03
  4. Step 4: Simplify right side
    125,341,792.44x = 18,886,547,147,653,720
  5. Step 5: Solve for x
    x = 18,886,547,147,653,720/125,341,792.44
  6. Step 6: Final answer
    x = 150,680,365.90

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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.