Home / 161,489,198.80-242,289,785.40-70,677,960.40

Finding the Fourth Proportional to 161,489,198.80, 242,289,785.40 and 70,677,960.40

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Solution

The fourth proportional to 161,489,198.80, 242,289,785.40 and 70,677,960.40 is: 106,041,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,489,198.80 : 242,289,785.40 = 70,677,960.40 : x
  2. Step 2: Convert to fraction form
    161,489,198.80/242,289,785.40 = 70,677,960.40/x
  3. Step 3: Cross multiply
    161,489,198.80x = 242,289,785.40 × 70,677,960.40
  4. Step 4: Simplify right side
    161,489,198.80x = 17,124,547,857,825,700
  5. Step 5: Solve for x
    x = 17,124,547,857,825,700/161,489,198.80
  6. Step 6: Final answer
    x = 106,041,444.17

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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.