Home / 153,006,782,145.28-211,150,092,733.28-84,418,191,809.12

Finding the Fourth Proportional to 153,006,782,145.28, 211,150,092,733.28 and 84,418,191,809.12

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Solution

The fourth proportional to 153,006,782,145.28, 211,150,092,733.28 and 84,418,191,809.12 is: 116,497,509,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,006,782,145.28 : 211,150,092,733.28 = 84,418,191,809.12 : x
  2. Step 2: Convert to fraction form
    153,006,782,145.28/211,150,092,733.28 = 84,418,191,809.12/x
  3. Step 3: Cross multiply
    153,006,782,145.28x = 211,150,092,733.28 × 84,418,191,809.12
  4. Step 4: Simplify right side
    153,006,782,145.28x = 17,824,909,028,871,504,920,576
  5. Step 5: Solve for x
    x = 17,824,909,028,871,504,920,576/153,006,782,145.28
  6. Step 6: Final answer
    x = 116,497,509,319.21

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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.