Home / 124,996,830.40-187,495,245.60-43,115,550.40

Finding the Fourth Proportional to 124,996,830.40, 187,495,245.60 and 43,115,550.40

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Solution

The fourth proportional to 124,996,830.40, 187,495,245.60 and 43,115,550.40 is: 64,673,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996,830.40 : 187,495,245.60 = 43,115,550.40 : x
  2. Step 2: Convert to fraction form
    124,996,830.40/187,495,245.60 = 43,115,550.40/x
  3. Step 3: Cross multiply
    124,996,830.40x = 187,495,245.60 × 43,115,550.40
  4. Step 4: Simplify right side
    124,996,830.40x = 8,083,960,711,427,178
  5. Step 5: Solve for x
    x = 8,083,960,711,427,178/124,996,830.40
  6. Step 6: Final answer
    x = 64,673,325.60

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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.