Home / 154,615,140.43-213,369,030.26-85,001,705.71

Finding the Fourth Proportional to 154,615,140.43, 213,369,030.26 and 85,001,705.71

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Solution

The fourth proportional to 154,615,140.43, 213,369,030.26 and 85,001,705.71 is: 117,302,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,615,140.43 : 213,369,030.26 = 85,001,705.71 : x
  2. Step 2: Convert to fraction form
    154,615,140.43/213,369,030.26 = 85,001,705.71/x
  3. Step 3: Cross multiply
    154,615,140.43x = 213,369,030.26 × 85,001,705.71
  4. Step 4: Simplify right side
    154,615,140.43x = 18,136,731,517,148,928
  5. Step 5: Solve for x
    x = 18,136,731,517,148,928/154,615,140.43
  6. Step 6: Final answer
    x = 117,302,428.90

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