Home / 101,528,665.92-140,109,562.08-55,118,854.08

Finding the Fourth Proportional to 101,528,665.92, 140,109,562.08 and 55,118,854.08

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Solution

The fourth proportional to 101,528,665.92, 140,109,562.08 and 55,118,854.08 is: 76,064,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,528,665.92 : 140,109,562.08 = 55,118,854.08 : x
  2. Step 2: Convert to fraction form
    101,528,665.92/140,109,562.08 = 55,118,854.08/x
  3. Step 3: Cross multiply
    101,528,665.92x = 140,109,562.08 × 55,118,854.08
  4. Step 4: Simplify right side
    101,528,665.92x = 7,722,678,507,500,222
  5. Step 5: Solve for x
    x = 7,722,678,507,500,222/101,528,665.92
  6. Step 6: Final answer
    x = 76,064,020.32

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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.