Home / 286,391,185.20-429,586,777.80-177,552,068.40

Finding the Fourth Proportional to 286,391,185.20, 429,586,777.80 and 177,552,068.40

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Solution

The fourth proportional to 286,391,185.20, 429,586,777.80 and 177,552,068.40 is: 266,328,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,391,185.20 : 429,586,777.80 = 177,552,068.40 : x
  2. Step 2: Convert to fraction form
    286,391,185.20/429,586,777.80 = 177,552,068.40/x
  3. Step 3: Cross multiply
    286,391,185.20x = 429,586,777.80 × 177,552,068.40
  4. Step 4: Simplify right side
    286,391,185.20x = 76,274,020,955,681,200
  5. Step 5: Solve for x
    x = 76,274,020,955,681,200/286,391,185.20
  6. Step 6: Final answer
    x = 266,328,102.60

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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.