Home / 142,125,817.29-213,209,033.45-43,765,832.49

Finding the Fourth Proportional to 142,125,817.29, 213,209,033.45 and 43,765,832.49

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Solution

The fourth proportional to 142,125,817.29, 213,209,033.45 and 43,765,832.49 is: 65,655,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125,817.29 : 213,209,033.45 = 43,765,832.49 : x
  2. Step 2: Convert to fraction form
    142,125,817.29/213,209,033.45 = 43,765,832.49/x
  3. Step 3: Cross multiply
    142,125,817.29x = 213,209,033.45 × 43,765,832.49
  4. Step 4: Simplify right side
    142,125,817.29x = 9,331,270,843,108,678
  5. Step 5: Solve for x
    x = 9,331,270,843,108,678/142,125,817.29
  6. Step 6: Final answer
    x = 65,655,002.17

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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.