Home / 52,165,920.80-78,248,881.20-25,242,298.40

Finding the Fourth Proportional to 52,165,920.80, 78,248,881.20 and 25,242,298.40

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Solution

The fourth proportional to 52,165,920.80, 78,248,881.20 and 25,242,298.40 is: 37,863,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165,920.80 : 78,248,881.20 = 25,242,298.40 : x
  2. Step 2: Convert to fraction form
    52,165,920.80/78,248,881.20 = 25,242,298.40/x
  3. Step 3: Cross multiply
    52,165,920.80x = 78,248,881.20 × 25,242,298.40
  4. Step 4: Simplify right side
    52,165,920.80x = 1,975,181,608,716,550
  5. Step 5: Solve for x
    x = 1,975,181,608,716,550/52,165,920.80
  6. Step 6: Final answer
    x = 37,863,447.60

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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.