Home / 124,992,021.60-187,488,032.40-53,179,106.40

Finding the Fourth Proportional to 124,992,021.60, 187,488,032.40 and 53,179,106.40

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Solution

The fourth proportional to 124,992,021.60, 187,488,032.40 and 53,179,106.40 is: 79,768,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,021.60 : 187,488,032.40 = 53,179,106.40 : x
  2. Step 2: Convert to fraction form
    124,992,021.60/187,488,032.40 = 53,179,106.40/x
  3. Step 3: Cross multiply
    124,992,021.60x = 187,488,032.40 × 53,179,106.40
  4. Step 4: Simplify right side
    124,992,021.60x = 9,970,446,023,726,248
  5. Step 5: Solve for x
    x = 9,970,446,023,726,248/124,992,021.60
  6. Step 6: Final answer
    x = 79,768,659.60

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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.