Home / 105,192,913.80-157,714,721.10-40,471,710.60

Finding the Fourth Proportional to 105,192,913.80, 157,714,721.10 and 40,471,710.60

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Solution

The fourth proportional to 105,192,913.80, 157,714,721.10 and 40,471,710.60 is: 60,678,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,913.80 : 157,714,721.10 = 40,471,710.60 : x
  2. Step 2: Convert to fraction form
    105,192,913.80/157,714,721.10 = 40,471,710.60/x
  3. Step 3: Cross multiply
    105,192,913.80x = 157,714,721.10 × 40,471,710.60
  4. Step 4: Simplify right side
    105,192,913.80x = 6,382,984,549,718,914
  5. Step 5: Solve for x
    x = 6,382,984,549,718,914/105,192,913.80
  6. Step 6: Final answer
    x = 60,678,845.36

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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.