Home / 112,028,259.60-168,042,389.40-103,418,915.40

Finding the Fourth Proportional to 112,028,259.60, 168,042,389.40 and 103,418,915.40

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Solution

The fourth proportional to 112,028,259.60, 168,042,389.40 and 103,418,915.40 is: 155,128,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,028,259.60 : 168,042,389.40 = 103,418,915.40 : x
  2. Step 2: Convert to fraction form
    112,028,259.60/168,042,389.40 = 103,418,915.40/x
  3. Step 3: Cross multiply
    112,028,259.60x = 168,042,389.40 × 103,418,915.40
  4. Step 4: Simplify right side
    112,028,259.60x = 17,378,761,652,972,458
  5. Step 5: Solve for x
    x = 17,378,761,652,972,458/112,028,259.60
  6. Step 6: Final answer
    x = 155,128,373.10

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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.