Home / 170,864,253.95-235,780,429.29-100,302,729.21

Finding the Fourth Proportional to 170,864,253.95, 235,780,429.29 and 100,302,729.21

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Solution

The fourth proportional to 170,864,253.95, 235,780,429.29 and 100,302,729.21 is: 138,410,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864,253.95 : 235,780,429.29 = 100,302,729.21 : x
  2. Step 2: Convert to fraction form
    170,864,253.95/235,780,429.29 = 100,302,729.21/x
  3. Step 3: Cross multiply
    170,864,253.95x = 235,780,429.29 × 100,302,729.21
  4. Step 4: Simplify right side
    170,864,253.95x = 23,649,420,552,092,420
  5. Step 5: Solve for x
    x = 23,649,420,552,092,420/170,864,253.95
  6. Step 6: Final answer
    x = 138,410,580.36

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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.