Home / 66,168,376.60-99,110,847.30-53,413,792.60

Finding the Fourth Proportional to 66,168,376.60, 99,110,847.30 and 53,413,792.60

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Solution

The fourth proportional to 66,168,376.60, 99,110,847.30 and 53,413,792.60 is: 80,006,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168,376.60 : 99,110,847.30 = 53,413,792.60 : x
  2. Step 2: Convert to fraction form
    66,168,376.60/99,110,847.30 = 53,413,792.60/x
  3. Step 3: Cross multiply
    66,168,376.60x = 99,110,847.30 × 53,413,792.60
  4. Step 4: Simplify right side
    66,168,376.60x = 5,293,886,242,092,470
  5. Step 5: Solve for x
    x = 5,293,886,242,092,470/66,168,376.60
  6. Step 6: Final answer
    x = 80,006,288.72

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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.