Home / 112,028,260.60-168,042,390.90-103,418,916.40

Finding the Fourth Proportional to 112,028,260.60, 168,042,390.90 and 103,418,916.40

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Solution

The fourth proportional to 112,028,260.60, 168,042,390.90 and 103,418,916.40 is: 155,128,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,028,260.60 : 168,042,390.90 = 103,418,916.40 : x
  2. Step 2: Convert to fraction form
    112,028,260.60/168,042,390.90 = 103,418,916.40/x
  3. Step 3: Cross multiply
    112,028,260.60x = 168,042,390.90 × 103,418,916.40
  4. Step 4: Simplify right side
    112,028,260.60x = 17,378,761,976,143,222
  5. Step 5: Solve for x
    x = 17,378,761,976,143,222/112,028,260.60
  6. Step 6: Final answer
    x = 155,128,374.60

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1.5x scale

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.