Home / 54,924,858.90-82,387,288.35-42,209,543.70

Finding the Fourth Proportional to 54,924,858.90, 82,387,288.35 and 42,209,543.70

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Solution

The fourth proportional to 54,924,858.90, 82,387,288.35 and 42,209,543.70 is: 63,314,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,924,858.90 : 82,387,288.35 = 42,209,543.70 : x
  2. Step 2: Convert to fraction form
    54,924,858.90/82,387,288.35 = 42,209,543.70/x
  3. Step 3: Cross multiply
    54,924,858.90x = 82,387,288.35 × 42,209,543.70
  4. Step 4: Simplify right side
    54,924,858.90x = 3,477,529,847,933,826
  5. Step 5: Solve for x
    x = 3,477,529,847,933,826/54,924,858.90
  6. Step 6: Final answer
    x = 63,314,315.55

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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.