Home / 159,547,090.11-239,345,379.24-67,431,216

Finding the Fourth Proportional to 159,547,090.11, 239,345,379.24 and 67,431,216

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Solution

The fourth proportional to 159,547,090.11, 239,345,379.24 and 67,431,216 is: 101,157,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547,090.11 : 239,345,379.24 = 67,431,216 : x
  2. Step 2: Convert to fraction form
    159,547,090.11/239,345,379.24 = 67,431,216/x
  3. Step 3: Cross multiply
    159,547,090.11x = 239,345,379.24 × 67,431,216
  4. Step 4: Simplify right side
    159,547,090.11x = 16,139,349,966,134,356
  5. Step 5: Solve for x
    x = 16,139,349,966,134,356/159,547,090.11
  6. Step 6: Final answer
    x = 101,157,281.87

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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.