Home / 105,529,116.60-158,288,426.10-54,416,302.20

Finding the Fourth Proportional to 105,529,116.60, 158,288,426.10 and 54,416,302.20

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Solution

The fourth proportional to 105,529,116.60, 158,288,426.10 and 54,416,302.20 is: 81,621,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,529,116.60 : 158,288,426.10 = 54,416,302.20 : x
  2. Step 2: Convert to fraction form
    105,529,116.60/158,288,426.10 = 54,416,302.20/x
  3. Step 3: Cross multiply
    105,529,116.60x = 158,288,426.10 × 54,416,302.20
  4. Step 4: Simplify right side
    105,529,116.60x = 8,613,470,829,419,968
  5. Step 5: Solve for x
    x = 8,613,470,829,419,968/105,529,116.60
  6. Step 6: Final answer
    x = 81,621,746.75

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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.