Home / 142,576,945.20-213,911,476.12-65,950,238.96

Finding the Fourth Proportional to 142,576,945.20, 213,911,476.12 and 65,950,238.96

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Solution

The fourth proportional to 142,576,945.20, 213,911,476.12 and 65,950,238.96 is: 98,946,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576,945.20 : 213,911,476.12 = 65,950,238.96 : x
  2. Step 2: Convert to fraction form
    142,576,945.20/213,911,476.12 = 65,950,238.96/x
  3. Step 3: Cross multiply
    142,576,945.20x = 213,911,476.12 × 65,950,238.96
  4. Step 4: Simplify right side
    142,576,945.20x = 14,107,512,966,400,334
  5. Step 5: Solve for x
    x = 14,107,512,966,400,334/142,576,945.20
  6. Step 6: Final answer
    x = 98,946,663.13

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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.