Home / 201,376,259.20-302,064,388.80-169,064,646.40

Finding the Fourth Proportional to 201,376,259.20, 302,064,388.80 and 169,064,646.40

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Solution

The fourth proportional to 201,376,259.20, 302,064,388.80 and 169,064,646.40 is: 253,596,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,376,259.20 : 302,064,388.80 = 169,064,646.40 : x
  2. Step 2: Convert to fraction form
    201,376,259.20/302,064,388.80 = 169,064,646.40/x
  3. Step 3: Cross multiply
    201,376,259.20x = 302,064,388.80 × 169,064,646.40
  4. Step 4: Simplify right side
    201,376,259.20x = 51,068,409,082,504,128
  5. Step 5: Solve for x
    x = 51,068,409,082,504,128/201,376,259.20
  6. Step 6: Final answer
    x = 253,596,969.60

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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.