Home / 114,928,646.81-172,453,504.71-66,440,554.30

Finding the Fourth Proportional to 114,928,646.81, 172,453,504.71 and 66,440,554.30

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Solution

The fourth proportional to 114,928,646.81, 172,453,504.71 and 66,440,554.30 is: 99,695,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928,646.81 : 172,453,504.71 = 66,440,554.30 : x
  2. Step 2: Convert to fraction form
    114,928,646.81/172,453,504.71 = 66,440,554.30/x
  3. Step 3: Cross multiply
    114,928,646.81x = 172,453,504.71 × 66,440,554.30
  4. Step 4: Simplify right side
    114,928,646.81x = 11,457,906,443,047,794
  5. Step 5: Solve for x
    x = 11,457,906,443,047,794/114,928,646.81
  6. Step 6: Final answer
    x = 99,695,826.59

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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.