Home / 161,661,142.60-242,573,621.10-70,785,622.60

Finding the Fourth Proportional to 161,661,142.60, 242,573,621.10 and 70,785,622.60

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Solution

The fourth proportional to 161,661,142.60, 242,573,621.10 and 70,785,622.60 is: 106,214,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661,142.60 : 242,573,621.10 = 70,785,622.60 : x
  2. Step 2: Convert to fraction form
    161,661,142.60/242,573,621.10 = 70,785,622.60/x
  3. Step 3: Cross multiply
    161,661,142.60x = 242,573,621.10 × 70,785,622.60
  4. Step 4: Simplify right side
    161,661,142.60x = 17,170,724,795,899,994
  5. Step 5: Solve for x
    x = 17,170,724,795,899,994/161,661,142.60
  6. Step 6: Final answer
    x = 106,214,298.13

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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.