Home / 223,701,780.40-308,702,208.54-124,582,500.76

Finding the Fourth Proportional to 223,701,780.40, 308,702,208.54 and 124,582,500.76

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Solution

The fourth proportional to 223,701,780.40, 308,702,208.54 and 124,582,500.76 is: 171,920,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,701,780.40 : 308,702,208.54 = 124,582,500.76 : x
  2. Step 2: Convert to fraction form
    223,701,780.40/308,702,208.54 = 124,582,500.76/x
  3. Step 3: Cross multiply
    223,701,780.40x = 308,702,208.54 × 124,582,500.76
  4. Step 4: Simplify right side
    223,701,780.40x = 38,458,893,130,048,232
  5. Step 5: Solve for x
    x = 38,458,893,130,048,232/223,701,780.40
  6. Step 6: Final answer
    x = 171,920,371.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.