Home / 290,304,497.70-435,494,071.35-144,812,427.30

Finding the Fourth Proportional to 290,304,497.70, 435,494,071.35 and 144,812,427.30

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Solution

The fourth proportional to 290,304,497.70, 435,494,071.35 and 144,812,427.30 is: 217,237,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,497.70 : 435,494,071.35 = 144,812,427.30 : x
  2. Step 2: Convert to fraction form
    290,304,497.70/435,494,071.35 = 144,812,427.30/x
  3. Step 3: Cross multiply
    290,304,497.70x = 435,494,071.35 × 144,812,427.30
  4. Step 4: Simplify right side
    290,304,497.70x = 63,064,953,546,952,896
  5. Step 5: Solve for x
    x = 63,064,953,546,952,896/290,304,497.70
  6. Step 6: Final answer
    x = 217,237,259.66

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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.