Home / 118,346,738.40-177,520,107.60-89,648,924.40

Finding the Fourth Proportional to 118,346,738.40, 177,520,107.60 and 89,648,924.40

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Solution

The fourth proportional to 118,346,738.40, 177,520,107.60 and 89,648,924.40 is: 134,473,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346,738.40 : 177,520,107.60 = 89,648,924.40 : x
  2. Step 2: Convert to fraction form
    118,346,738.40/177,520,107.60 = 89,648,924.40/x
  3. Step 3: Cross multiply
    118,346,738.40x = 177,520,107.60 × 89,648,924.40
  4. Step 4: Simplify right side
    118,346,738.40x = 15,914,486,705,712,266
  5. Step 5: Solve for x
    x = 15,914,486,705,712,266/118,346,738.40
  6. Step 6: Final answer
    x = 134,473,386.60

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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.