Home / 78,003,114.90-117,004,672.35-37,692,330.90

Finding the Fourth Proportional to 78,003,114.90, 117,004,672.35 and 37,692,330.90

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Solution

The fourth proportional to 78,003,114.90, 117,004,672.35 and 37,692,330.90 is: 56,538,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,003,114.90 : 117,004,672.35 = 37,692,330.90 : x
  2. Step 2: Convert to fraction form
    78,003,114.90/117,004,672.35 = 37,692,330.90/x
  3. Step 3: Cross multiply
    78,003,114.90x = 117,004,672.35 × 37,692,330.90
  4. Step 4: Simplify right side
    78,003,114.90x = 4,410,178,827,062,280
  5. Step 5: Solve for x
    x = 4,410,178,827,062,280/78,003,114.90
  6. Step 6: Final answer
    x = 56,538,496.35

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Double scale
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Similar ratio
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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.