Home / 159,426,397.80-239,139,596.70-120,879,210.60

Finding the Fourth Proportional to 159,426,397.80, 239,139,596.70 and 120,879,210.60

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Solution

The fourth proportional to 159,426,397.80, 239,139,596.70 and 120,879,210.60 is: 181,318,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,397.80 : 239,139,596.70 = 120,879,210.60 : x
  2. Step 2: Convert to fraction form
    159,426,397.80/239,139,596.70 = 120,879,210.60/x
  3. Step 3: Cross multiply
    159,426,397.80x = 239,139,596.70 × 120,879,210.60
  4. Step 4: Simplify right side
    159,426,397.80x = 28,907,005,672,298,364
  5. Step 5: Solve for x
    x = 28,907,005,672,298,364/159,426,397.80
  6. Step 6: Final answer
    x = 181,318,815.90

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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.