Home / 105,178,907.80-157,693,712.10-40,457,704.60

Finding the Fourth Proportional to 105,178,907.80, 157,693,712.10 and 40,457,704.60

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Solution

The fourth proportional to 105,178,907.80, 157,693,712.10 and 40,457,704.60 is: 60,657,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178,907.80 : 157,693,712.10 = 40,457,704.60 : x
  2. Step 2: Convert to fraction form
    105,178,907.80/157,693,712.10 = 40,457,704.60/x
  3. Step 3: Cross multiply
    105,178,907.80x = 157,693,712.10 × 40,457,704.60
  4. Step 4: Simplify right side
    105,178,907.80x = 6,379,925,621,419,246
  5. Step 5: Solve for x
    x = 6,379,925,621,419,246/105,178,907.80
  6. Step 6: Final answer
    x = 60,657,842.48

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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.