Home / 118,502,956.40-177,408,013.80-84,490,732.40

Finding the Fourth Proportional to 118,502,956.40, 177,408,013.80 and 84,490,732.40

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Solution

The fourth proportional to 118,502,956.40, 177,408,013.80 and 84,490,732.40 is: 126,489,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502,956.40 : 177,408,013.80 = 84,490,732.40 : x
  2. Step 2: Convert to fraction form
    118,502,956.40/177,408,013.80 = 84,490,732.40/x
  3. Step 3: Cross multiply
    118,502,956.40x = 177,408,013.80 × 84,490,732.40
  4. Step 4: Simplify right side
    118,502,956.40x = 14,989,333,019,591,310
  5. Step 5: Solve for x
    x = 14,989,333,019,591,310/118,502,956.40
  6. Step 6: Final answer
    x = 126,489,106.05

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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.