Home / 105,192,820.80-157,714,581.60-40,471,617.60

Finding the Fourth Proportional to 105,192,820.80, 157,714,581.60 and 40,471,617.60

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Solution

The fourth proportional to 105,192,820.80, 157,714,581.60 and 40,471,617.60 is: 60,678,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,820.80 : 157,714,581.60 = 40,471,617.60 : x
  2. Step 2: Convert to fraction form
    105,192,820.80/157,714,581.60 = 40,471,617.60/x
  3. Step 3: Cross multiply
    105,192,820.80x = 157,714,581.60 × 40,471,617.60
  4. Step 4: Simplify right side
    105,192,820.80x = 6,382,964,236,459,196
  5. Step 5: Solve for x
    x = 6,382,964,236,459,196/105,192,820.80
  6. Step 6: Final answer
    x = 60,678,705.90

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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.