Home / 186,996,828.60-280,495,242.90-84,960,156.60

Finding the Fourth Proportional to 186,996,828.60, 280,495,242.90 and 84,960,156.60

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Solution

The fourth proportional to 186,996,828.60, 280,495,242.90 and 84,960,156.60 is: 127,440,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,996,828.60 : 280,495,242.90 = 84,960,156.60 : x
  2. Step 2: Convert to fraction form
    186,996,828.60/280,495,242.90 = 84,960,156.60/x
  3. Step 3: Cross multiply
    186,996,828.60x = 280,495,242.90 × 84,960,156.60
  4. Step 4: Simplify right side
    186,996,828.60x = 23,830,919,762,339,036
  5. Step 5: Solve for x
    x = 23,830,919,762,339,036/186,996,828.60
  6. Step 6: Final answer
    x = 127,440,234.90

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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.