Home / 190,182,434.85-285,334,932.02-86,588,706.33

Finding the Fourth Proportional to 190,182,434.85, 285,334,932.02 and 86,588,706.33

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Solution

The fourth proportional to 190,182,434.85, 285,334,932.02 and 86,588,706.33 is: 129,910,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182,434.85 : 285,334,932.02 = 86,588,706.33 : x
  2. Step 2: Convert to fraction form
    190,182,434.85/285,334,932.02 = 86,588,706.33/x
  3. Step 3: Cross multiply
    190,182,434.85x = 285,334,932.02 × 86,588,706.33
  4. Step 4: Simplify right side
    190,182,434.85x = 24,706,782,634,370,292
  5. Step 5: Solve for x
    x = 24,706,782,634,370,292/190,182,434.85
  6. Step 6: Final answer
    x = 129,910,959.73

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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.