Home / 231,883,527.64-319,997,381.88-127,460,488.72

Finding the Fourth Proportional to 231,883,527.64, 319,997,381.88 and 127,460,488.72

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Solution

The fourth proportional to 231,883,527.64, 319,997,381.88 and 127,460,488.72 is: 175,894,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,527.64 : 319,997,381.88 = 127,460,488.72 : x
  2. Step 2: Convert to fraction form
    231,883,527.64/319,997,381.88 = 127,460,488.72/x
  3. Step 3: Cross multiply
    231,883,527.64x = 319,997,381.88 × 127,460,488.72
  4. Step 4: Simplify right side
    231,883,527.64x = 40,787,022,683,545,272
  5. Step 5: Solve for x
    x = 40,787,022,683,545,272/231,883,527.64
  6. Step 6: Final answer
    x = 175,894,437.60

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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.