Home / 118,502,957.40-177,408,015.30-84,490,733.40

Finding the Fourth Proportional to 118,502,957.40, 177,408,015.30 and 84,490,733.40

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Solution

The fourth proportional to 118,502,957.40, 177,408,015.30 and 84,490,733.40 is: 126,489,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502,957.40 : 177,408,015.30 = 84,490,733.40 : x
  2. Step 2: Convert to fraction form
    118,502,957.40/177,408,015.30 = 84,490,733.40/x
  3. Step 3: Cross multiply
    118,502,957.40x = 177,408,015.30 × 84,490,733.40
  4. Step 4: Simplify right side
    118,502,957.40x = 14,989,333,323,735,424
  5. Step 5: Solve for x
    x = 14,989,333,323,735,424/118,502,957.40
  6. Step 6: Final answer
    x = 126,489,107.55

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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.