Home / 52,318,339.32-78,285,573.12-43,661,068.77

Finding the Fourth Proportional to 52,318,339.32, 78,285,573.12 and 43,661,068.77

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Solution

The fourth proportional to 52,318,339.32, 78,285,573.12 and 43,661,068.77 is: 65,331,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318,339.32 : 78,285,573.12 = 43,661,068.77 : x
  2. Step 2: Convert to fraction form
    52,318,339.32/78,285,573.12 = 43,661,068.77/x
  3. Step 3: Cross multiply
    52,318,339.32x = 78,285,573.12 × 43,661,068.77
  4. Step 4: Simplify right side
    52,318,339.32x = 3,418,031,791,691,184
  5. Step 5: Solve for x
    x = 3,418,031,791,691,184/52,318,339.32
  6. Step 6: Final answer
    x = 65,331,427.49

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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.