Home / 72,579,861.60-108,869,792.40-62,726,114.40

Finding the Fourth Proportional to 72,579,861.60, 108,869,792.40 and 62,726,114.40

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Solution

The fourth proportional to 72,579,861.60, 108,869,792.40 and 62,726,114.40 is: 94,089,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579,861.60 : 108,869,792.40 = 62,726,114.40 : x
  2. Step 2: Convert to fraction form
    72,579,861.60/108,869,792.40 = 62,726,114.40/x
  3. Step 3: Cross multiply
    72,579,861.60x = 108,869,792.40 × 62,726,114.40
  4. Step 4: Simplify right side
    72,579,861.60x = 6,828,979,052,786,651
  5. Step 5: Solve for x
    x = 6,828,979,052,786,651/72,579,861.60
  6. Step 6: Final answer
    x = 94,089,171.60

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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.