Home / 168,806,032.70-253,173,619.02-47,609,141.18

Finding the Fourth Proportional to 168,806,032.70, 253,173,619.02 and 47,609,141.18

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Solution

The fourth proportional to 168,806,032.70, 253,173,619.02 and 47,609,141.18 is: 71,403,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806,032.70 : 253,173,619.02 = 47,609,141.18 : x
  2. Step 2: Convert to fraction form
    168,806,032.70/253,173,619.02 = 47,609,141.18/x
  3. Step 3: Cross multiply
    168,806,032.70x = 253,173,619.02 × 47,609,141.18
  4. Step 4: Simplify right side
    168,806,032.70x = 12,053,378,570,974,714
  5. Step 5: Solve for x
    x = 12,053,378,570,974,714/168,806,032.70
  6. Step 6: Final answer
    x = 71,403,719.28

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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.