Home / 152,833,512.22-210,909,348.50-83,218,726.42

Finding the Fourth Proportional to 152,833,512.22, 210,909,348.50 and 83,218,726.42

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Solution

The fourth proportional to 152,833,512.22, 210,909,348.50 and 83,218,726.42 is: 114,841,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,833,512.22 : 210,909,348.50 = 83,218,726.42 : x
  2. Step 2: Convert to fraction form
    152,833,512.22/210,909,348.50 = 83,218,726.42/x
  3. Step 3: Cross multiply
    152,833,512.22x = 210,909,348.50 × 83,218,726.42
  4. Step 4: Simplify right side
    152,833,512.22x = 17,551,607,372,241,938
  5. Step 5: Solve for x
    x = 17,551,607,372,241,938/152,833,512.22
  6. Step 6: Final answer
    x = 114,841,353.30

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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.