Home / 231,883,483.90-319,997,321.50-127,460,444.98

Finding the Fourth Proportional to 231,883,483.90, 319,997,321.50 and 127,460,444.98

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Solution

The fourth proportional to 231,883,483.90, 319,997,321.50 and 127,460,444.98 is: 175,894,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,483.90 : 319,997,321.50 = 127,460,444.98 : x
  2. Step 2: Convert to fraction form
    231,883,483.90/319,997,321.50 = 127,460,444.98/x
  3. Step 3: Cross multiply
    231,883,483.90x = 319,997,321.50 × 127,460,444.98
  4. Step 4: Simplify right side
    231,883,483.90x = 40,787,000,990,798,120
  5. Step 5: Solve for x
    x = 40,787,000,990,798,120/231,883,483.90
  6. Step 6: Final answer
    x = 175,894,377.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.