Home / 103,461,037-155,217,916.14-30,680,476.36

Finding the Fourth Proportional to 103,461,037, 155,217,916.14 and 30,680,476.36

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Solution

The fourth proportional to 103,461,037, 155,217,916.14 and 30,680,476.36 is: 46,028,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,461,037 : 155,217,916.14 = 30,680,476.36 : x
  2. Step 2: Convert to fraction form
    103,461,037/155,217,916.14 = 30,680,476.36/x
  3. Step 3: Cross multiply
    103,461,037x = 155,217,916.14 × 30,680,476.36
  4. Step 4: Simplify right side
    103,461,037x = 4,762,159,606,781,732
  5. Step 5: Solve for x
    x = 4,762,159,606,781,732/103,461,037
  6. Step 6: Final answer
    x = 46,028,531.56

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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.