Home / 307,692,841.68-424,599,299.40-168,436,663.76

Finding the Fourth Proportional to 307,692,841.68, 424,599,299.40 and 168,436,663.76

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Solution

The fourth proportional to 307,692,841.68, 424,599,299.40 and 168,436,663.76 is: 232,433,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,692,841.68 : 424,599,299.40 = 168,436,663.76 : x
  2. Step 2: Convert to fraction form
    307,692,841.68/424,599,299.40 = 168,436,663.76/x
  3. Step 3: Cross multiply
    307,692,841.68x = 424,599,299.40 × 168,436,663.76
  4. Step 4: Simplify right side
    307,692,841.68x = 71,518,089,425,769,360
  5. Step 5: Solve for x
    x = 71,518,089,425,769,360/307,692,841.68
  6. Step 6: Final answer
    x = 232,433,387.25

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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.