Home / 147,954,903.68-222,020,031-82,430,885.60

Finding the Fourth Proportional to 147,954,903.68, 222,020,031 and 82,430,885.60

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Solution

The fourth proportional to 147,954,903.68, 222,020,031 and 82,430,885.60 is: 123,695,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954,903.68 : 222,020,031 = 82,430,885.60 : x
  2. Step 2: Convert to fraction form
    147,954,903.68/222,020,031 = 82,430,885.60/x
  3. Step 3: Cross multiply
    147,954,903.68x = 222,020,031 × 82,430,885.60
  4. Step 4: Simplify right side
    147,954,903.68x = 18,301,307,776,269,452
  5. Step 5: Solve for x
    x = 18,301,307,776,269,452/147,954,903.68
  6. Step 6: Final answer
    x = 123,695,175.50

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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.