Home / 85,367,457.80-127,883,225.10-51,187,272.20

Finding the Fourth Proportional to 85,367,457.80, 127,883,225.10 and 51,187,272.20

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Solution

The fourth proportional to 85,367,457.80, 127,883,225.10 and 51,187,272.20 is: 76,680,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,367,457.80 : 127,883,225.10 = 51,187,272.20 : x
  2. Step 2: Convert to fraction form
    85,367,457.80/127,883,225.10 = 51,187,272.20/x
  3. Step 3: Cross multiply
    85,367,457.80x = 127,883,225.10 × 51,187,272.20
  4. Step 4: Simplify right side
    85,367,457.80x = 6,545,993,453,007,572
  5. Step 5: Solve for x
    x = 6,545,993,453,007,572/85,367,457.80
  6. Step 6: Final answer
    x = 76,680,196.67

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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.