Home / 124,663,606.44-172,052,866.50-71,739,226.92

Finding the Fourth Proportional to 124,663,606.44, 172,052,866.50 and 71,739,226.92

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Solution

The fourth proportional to 124,663,606.44, 172,052,866.50 and 71,739,226.92 is: 99,009,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663,606.44 : 172,052,866.50 = 71,739,226.92 : x
  2. Step 2: Convert to fraction form
    124,663,606.44/172,052,866.50 = 71,739,226.92/x
  3. Step 3: Cross multiply
    124,663,606.44x = 172,052,866.50 × 71,739,226.92
  4. Step 4: Simplify right side
    124,663,606.44x = 12,342,939,632,079,966
  5. Step 5: Solve for x
    x = 12,342,939,632,079,966/124,663,606.44
  6. Step 6: Final answer
    x = 99,009,967.58

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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.