Home / 92,775,521.92-128,026,712.64-51,525,071.50

Finding the Fourth Proportional to 92,775,521.92, 128,026,712.64 and 51,525,071.50

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Solution

The fourth proportional to 92,775,521.92, 128,026,712.64 and 51,525,071.50 is: 71,102,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,775,521.92 : 128,026,712.64 = 51,525,071.50 : x
  2. Step 2: Convert to fraction form
    92,775,521.92/128,026,712.64 = 51,525,071.50/x
  3. Step 3: Cross multiply
    92,775,521.92x = 128,026,712.64 × 51,525,071.50
  4. Step 4: Simplify right side
    92,775,521.92x = 6,596,585,522,685,954
  5. Step 5: Solve for x
    x = 6,596,585,522,685,954/92,775,521.92
  6. Step 6: Final answer
    x = 71,102,650.64

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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.