Home / 201,205,409.90-301,808,114.85-109,372,405.10

Finding the Fourth Proportional to 201,205,409.90, 301,808,114.85 and 109,372,405.10

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Solution

The fourth proportional to 201,205,409.90, 301,808,114.85 and 109,372,405.10 is: 164,058,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205,409.90 : 301,808,114.85 = 109,372,405.10 : x
  2. Step 2: Convert to fraction form
    201,205,409.90/301,808,114.85 = 109,372,405.10/x
  3. Step 3: Cross multiply
    201,205,409.90x = 301,808,114.85 × 109,372,405.10
  4. Step 4: Simplify right side
    201,205,409.90x = 33,009,479,399,841,528
  5. Step 5: Solve for x
    x = 33,009,479,399,841,528/201,205,409.90
  6. Step 6: Final answer
    x = 164,058,607.65

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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.