Home / 166,996,368.72-229,637,773.68-144,931,561.22

Finding the Fourth Proportional to 166,996,368.72, 229,637,773.68 and 144,931,561.22

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Solution

The fourth proportional to 166,996,368.72, 229,637,773.68 and 144,931,561.22 is: 199,296,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,996,368.72 : 229,637,773.68 = 144,931,561.22 : x
  2. Step 2: Convert to fraction form
    166,996,368.72/229,637,773.68 = 144,931,561.22/x
  3. Step 3: Cross multiply
    166,996,368.72x = 229,637,773.68 × 144,931,561.22
  4. Step 4: Simplify right side
    166,996,368.72x = 33,281,761,053,379,236
  5. Step 5: Solve for x
    x = 33,281,761,053,379,236/166,996,368.72
  6. Step 6: Final answer
    x = 199,296,315.89

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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.