Home / 223,386,998.40-335,090,995.20-70,038,057.60

Finding the Fourth Proportional to 223,386,998.40, 335,090,995.20 and 70,038,057.60

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Solution

The fourth proportional to 223,386,998.40, 335,090,995.20 and 70,038,057.60 is: 105,060,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,386,998.40 : 335,090,995.20 = 70,038,057.60 : x
  2. Step 2: Convert to fraction form
    223,386,998.40/335,090,995.20 = 70,038,057.60/x
  3. Step 3: Cross multiply
    223,386,998.40x = 335,090,995.20 × 70,038,057.60
  4. Step 4: Simplify right side
    223,386,998.40x = 23,469,122,423,058,920
  5. Step 5: Solve for x
    x = 23,469,122,423,058,920/223,386,998.40
  6. Step 6: Final answer
    x = 105,060,377.69

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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.