Home / 118,495,390.80-177,743,086.20-61,099,762.80

Finding the Fourth Proportional to 118,495,390.80, 177,743,086.20 and 61,099,762.80

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Solution

The fourth proportional to 118,495,390.80, 177,743,086.20 and 61,099,762.80 is: 91,649,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,495,390.80 : 177,743,086.20 = 61,099,762.80 : x
  2. Step 2: Convert to fraction form
    118,495,390.80/177,743,086.20 = 61,099,762.80/x
  3. Step 3: Cross multiply
    118,495,390.80x = 177,743,086.20 × 61,099,762.80
  4. Step 4: Simplify right side
    118,495,390.80x = 10,860,060,406,159,952
  5. Step 5: Solve for x
    x = 10,860,060,406,159,952/118,495,390.80
  6. Step 6: Final answer
    x = 91,649,644.20

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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.