Home / 118,307,998.80-177,163,399.80-77,698,616.40

Finding the Fourth Proportional to 118,307,998.80, 177,163,399.80 and 77,698,616.40

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Solution

The fourth proportional to 118,307,998.80, 177,163,399.80 and 77,698,616.40 is: 116,351,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,307,998.80 : 177,163,399.80 = 77,698,616.40 : x
  2. Step 2: Convert to fraction form
    118,307,998.80/177,163,399.80 = 77,698,616.40/x
  3. Step 3: Cross multiply
    118,307,998.80x = 177,163,399.80 × 77,698,616.40
  4. Step 4: Simplify right side
    118,307,998.80x = 13,765,351,041,180,038
  5. Step 5: Solve for x
    x = 13,765,351,041,180,038/118,307,998.80
  6. Step 6: Final answer
    x = 116,351,820.51

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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.