Home / 222,309,421.50-306,788,802.92-123,191,824.51

Finding the Fourth Proportional to 222,309,421.50, 306,788,802.92 and 123,191,824.51

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Solution

The fourth proportional to 222,309,421.50, 306,788,802.92 and 123,191,824.51 is: 170,005,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309,421.50 : 306,788,802.92 = 123,191,824.51 : x
  2. Step 2: Convert to fraction form
    222,309,421.50/306,788,802.92 = 123,191,824.51/x
  3. Step 3: Cross multiply
    222,309,421.50x = 306,788,802.92 × 123,191,824.51
  4. Step 4: Simplify right side
    222,309,421.50x = 37,793,872,370,953,616
  5. Step 5: Solve for x
    x = 37,793,872,370,953,616/222,309,421.50
  6. Step 6: Final answer
    x = 170,005,715.98

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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.