Home / 92,775,520.92-128,026,711.26-51,525,070.50

Finding the Fourth Proportional to 92,775,520.92, 128,026,711.26 and 51,525,070.50

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Solution

The fourth proportional to 92,775,520.92, 128,026,711.26 and 51,525,070.50 is: 71,102,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,775,520.92 : 128,026,711.26 = 51,525,070.50 : x
  2. Step 2: Convert to fraction form
    92,775,520.92/128,026,711.26 = 51,525,070.50/x
  3. Step 3: Cross multiply
    92,775,520.92x = 128,026,711.26 × 51,525,070.50
  4. Step 4: Simplify right side
    92,775,520.92x = 6,596,585,323,554,644
  5. Step 5: Solve for x
    x = 6,596,585,323,554,644/92,775,520.92
  6. Step 6: Final answer
    x = 71,102,649.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.