Home / 85,367,456.80-127,883,223.60-51,187,271.20

Finding the Fourth Proportional to 85,367,456.80, 127,883,223.60 and 51,187,271.20

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Solution

The fourth proportional to 85,367,456.80, 127,883,223.60 and 51,187,271.20 is: 76,680,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,367,456.80 : 127,883,223.60 = 51,187,271.20 : x
  2. Step 2: Convert to fraction form
    85,367,456.80/127,883,223.60 = 51,187,271.20/x
  3. Step 3: Cross multiply
    85,367,456.80x = 127,883,223.60 × 51,187,271.20
  4. Step 4: Simplify right side
    85,367,456.80x = 6,545,993,248,343,440
  5. Step 5: Solve for x
    x = 6,545,993,248,343,440/85,367,456.80
  6. Step 6: Final answer
    x = 76,680,195.17

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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.