Home / 78,003,118.40-117,004,677.60-37,692,334.40

Finding the Fourth Proportional to 78,003,118.40, 117,004,677.60 and 37,692,334.40

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Solution

The fourth proportional to 78,003,118.40, 117,004,677.60 and 37,692,334.40 is: 56,538,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003,118.40 : 117,004,677.60 = 37,692,334.40 : x
  2. Step 2: Convert to fraction form
    78,003,118.40/117,004,677.60 = 37,692,334.40/x
  3. Step 3: Cross multiply
    78,003,118.40x = 117,004,677.60 × 37,692,334.40
  4. Step 4: Simplify right side
    78,003,118.40x = 4,410,179,434,463,389
  5. Step 5: Solve for x
    x = 4,410,179,434,463,389/78,003,118.40
  6. Step 6: Final answer
    x = 56,538,501.60

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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.