Home / 268,888,637.40-402,437,160.90-236,640,010.20

Finding the Fourth Proportional to 268,888,637.40, 402,437,160.90 and 236,640,010.20

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Solution

The fourth proportional to 268,888,637.40, 402,437,160.90 and 236,640,010.20 is: 354,171,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,888,637.40 : 402,437,160.90 = 236,640,010.20 : x
  2. Step 2: Convert to fraction form
    268,888,637.40/402,437,160.90 = 236,640,010.20/x
  3. Step 3: Cross multiply
    268,888,637.40x = 402,437,160.90 × 236,640,010.20
  4. Step 4: Simplify right side
    268,888,637.40x = 95,232,733,860,235,024
  5. Step 5: Solve for x
    x = 95,232,733,860,235,024/268,888,637.40
  6. Step 6: Final answer
    x = 354,171,655.53

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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.