Home / 118,502,954.40-177,408,010.80-84,490,730.40

Finding the Fourth Proportional to 118,502,954.40, 177,408,010.80 and 84,490,730.40

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Solution

The fourth proportional to 118,502,954.40, 177,408,010.80 and 84,490,730.40 is: 126,489,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,502,954.40 : 177,408,010.80 = 84,490,730.40 : x
  2. Step 2: Convert to fraction form
    118,502,954.40/177,408,010.80 = 84,490,730.40/x
  3. Step 3: Cross multiply
    118,502,954.40x = 177,408,010.80 × 84,490,730.40
  4. Step 4: Simplify right side
    118,502,954.40x = 14,989,332,411,303,090
  5. Step 5: Solve for x
    x = 14,989,332,411,303,090/118,502,954.40
  6. Step 6: Final answer
    x = 126,489,103.05

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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.