Home / 215,476,347.47-323,259,914.81-69,898,541.81

Finding the Fourth Proportional to 215,476,347.47, 323,259,914.81 and 69,898,541.81

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Solution

The fourth proportional to 215,476,347.47, 323,259,914.81 and 69,898,541.81 is: 104,862,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,347.47 : 323,259,914.81 = 69,898,541.81 : x
  2. Step 2: Convert to fraction form
    215,476,347.47/323,259,914.81 = 69,898,541.81/x
  3. Step 3: Cross multiply
    215,476,347.47x = 323,259,914.81 × 69,898,541.81
  4. Step 4: Simplify right side
    215,476,347.47x = 22,595,396,669,402,272
  5. Step 5: Solve for x
    x = 22,595,396,669,402,272/215,476,347.47
  6. Step 6: Final answer
    x = 104,862,537.98

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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.