Home / 127,661,631.60-191,492,447.40-76,005,566.40

Finding the Fourth Proportional to 127,661,631.60, 191,492,447.40 and 76,005,566.40

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Solution

The fourth proportional to 127,661,631.60, 191,492,447.40 and 76,005,566.40 is: 114,008,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,661,631.60 : 191,492,447.40 = 76,005,566.40 : x
  2. Step 2: Convert to fraction form
    127,661,631.60/191,492,447.40 = 76,005,566.40/x
  3. Step 3: Cross multiply
    127,661,631.60x = 191,492,447.40 × 76,005,566.40
  4. Step 4: Simplify right side
    127,661,631.60x = 14,554,491,925,959,208
  5. Step 5: Solve for x
    x = 14,554,491,925,959,208/127,661,631.60
  6. Step 6: Final answer
    x = 114,008,349.60

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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.