Home / 159,547,090.62-239,345,380-67,431,216.50

Finding the Fourth Proportional to 159,547,090.62, 239,345,380 and 67,431,216.50

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Solution

The fourth proportional to 159,547,090.62, 239,345,380 and 67,431,216.50 is: 101,157,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547,090.62 : 239,345,380 = 67,431,216.50 : x
  2. Step 2: Convert to fraction form
    159,547,090.62/239,345,380 = 67,431,216.50/x
  3. Step 3: Cross multiply
    159,547,090.62x = 239,345,380 × 67,431,216.50
  4. Step 4: Simplify right side
    159,547,090.62x = 16,139,350,137,054,770
  5. Step 5: Solve for x
    x = 16,139,350,137,054,770/159,547,090.62
  6. Step 6: Final answer
    x = 101,157,282.62

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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.