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Finding the Fourth Proportional to 124,992,042.60, 174,585,751.80 and 124,992,042.60

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Solution

The fourth proportional to 124,992,042.60, 174,585,751.80 and 124,992,042.60 is: 174,585,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,042.60 : 174,585,751.80 = 124,992,042.60 : x
  2. Step 2: Convert to fraction form
    124,992,042.60/174,585,751.80 = 124,992,042.60/x
  3. Step 3: Cross multiply
    124,992,042.60x = 174,585,751.80 × 124,992,042.60
  4. Step 4: Simplify right side
    124,992,042.60x = 21,821,829,726,338,628
  5. Step 5: Solve for x
    x = 21,821,829,726,338,628/124,992,042.60
  6. Step 6: Final answer
    x = 174,585,751.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.