Home / 78,536,823-117,646,018.14-36,412,346.30

Finding the Fourth Proportional to 78,536,823, 117,646,018.14 and 36,412,346.30

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Solution

The fourth proportional to 78,536,823, 117,646,018.14 and 36,412,346.30 is: 54,544,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,536,823 : 117,646,018.14 = 36,412,346.30 : x
  2. Step 2: Convert to fraction form
    78,536,823/117,646,018.14 = 36,412,346.30/x
  3. Step 3: Cross multiply
    78,536,823x = 117,646,018.14 × 36,412,346.30
  4. Step 4: Simplify right side
    78,536,823x = 4,283,767,553,329,761.50
  5. Step 5: Solve for x
    x = 4,283,767,553,329,761.50/78,536,823
  6. Step 6: Final answer
    x = 54,544,701.32

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1.5x scale

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.