Home / 121,279,657.40-181,943,105.70-35,020,878.20

Finding the Fourth Proportional to 121,279,657.40, 181,943,105.70 and 35,020,878.20

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Solution

The fourth proportional to 121,279,657.40, 181,943,105.70 and 35,020,878.20 is: 52,538,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,657.40 : 181,943,105.70 = 35,020,878.20 : x
  2. Step 2: Convert to fraction form
    121,279,657.40/181,943,105.70 = 35,020,878.20/x
  3. Step 3: Cross multiply
    121,279,657.40x = 181,943,105.70 × 35,020,878.20
  4. Step 4: Simplify right side
    121,279,657.40x = 6,371,807,344,049,426
  5. Step 5: Solve for x
    x = 6,371,807,344,049,426/121,279,657.40
  6. Step 6: Final answer
    x = 52,538,137.73

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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.