Home / 83,106,018.40-124,659,027.60-39,953,009.20

Finding the Fourth Proportional to 83,106,018.40, 124,659,027.60 and 39,953,009.20

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Solution

The fourth proportional to 83,106,018.40, 124,659,027.60 and 39,953,009.20 is: 59,929,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,018.40 : 124,659,027.60 = 39,953,009.20 : x
  2. Step 2: Convert to fraction form
    83,106,018.40/124,659,027.60 = 39,953,009.20/x
  3. Step 3: Cross multiply
    83,106,018.40x = 124,659,027.60 × 39,953,009.20
  4. Step 4: Simplify right side
    83,106,018.40x = 4,980,503,276,565,854
  5. Step 5: Solve for x
    x = 4,980,503,276,565,854/83,106,018.40
  6. Step 6: Final answer
    x = 59,929,513.80

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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.