Home / 85,008,303.60-127,512,455.40-50,996,079.60

Finding the Fourth Proportional to 85,008,303.60, 127,512,455.40 and 50,996,079.60

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Solution

The fourth proportional to 85,008,303.60, 127,512,455.40 and 50,996,079.60 is: 76,494,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008,303.60 : 127,512,455.40 = 50,996,079.60 : x
  2. Step 2: Convert to fraction form
    85,008,303.60/127,512,455.40 = 50,996,079.60/x
  3. Step 3: Cross multiply
    85,008,303.60x = 127,512,455.40 × 50,996,079.60
  4. Step 4: Simplify right side
    85,008,303.60x = 6,502,635,325,569,850
  5. Step 5: Solve for x
    x = 6,502,635,325,569,850/85,008,303.60
  6. Step 6: Final answer
    x = 76,494,119.40

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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.