Home / 161,661,619.10-242,574,335.85-70,786,099.10

Finding the Fourth Proportional to 161,661,619.10, 242,574,335.85 and 70,786,099.10

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Solution

The fourth proportional to 161,661,619.10, 242,574,335.85 and 70,786,099.10 is: 106,215,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661,619.10 : 242,574,335.85 = 70,786,099.10 : x
  2. Step 2: Convert to fraction form
    161,661,619.10/242,574,335.85 = 70,786,099.10/x
  3. Step 3: Cross multiply
    161,661,619.10x = 242,574,335.85 × 70,786,099.10
  4. Step 4: Simplify right side
    161,661,619.10x = 17,170,890,976,594,780
  5. Step 5: Solve for x
    x = 17,170,890,976,594,780/161,661,619.10
  6. Step 6: Final answer
    x = 106,215,013.01

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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.