Home / 118,308,000.80-177,163,402.80-77,698,618.40

Finding the Fourth Proportional to 118,308,000.80, 177,163,402.80 and 77,698,618.40

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Solution

The fourth proportional to 118,308,000.80, 177,163,402.80 and 77,698,618.40 is: 116,351,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308,000.80 : 177,163,402.80 = 77,698,618.40 : x
  2. Step 2: Convert to fraction form
    118,308,000.80/177,163,402.80 = 77,698,618.40/x
  3. Step 3: Cross multiply
    118,308,000.80x = 177,163,402.80 × 77,698,618.40
  4. Step 4: Simplify right side
    118,308,000.80x = 13,765,351,628,602,694
  5. Step 5: Solve for x
    x = 13,765,351,628,602,694/118,308,000.80
  6. Step 6: Final answer
    x = 116,351,823.51

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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.