Home / 212,836,879.60-319,302,558.60-97,793,681.20

Finding the Fourth Proportional to 212,836,879.60, 319,302,558.60 and 97,793,681.20

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Solution

The fourth proportional to 212,836,879.60, 319,302,558.60 and 97,793,681.20 is: 146,712,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,836,879.60 : 319,302,558.60 = 97,793,681.20 : x
  2. Step 2: Convert to fraction form
    212,836,879.60/319,302,558.60 = 97,793,681.20/x
  3. Step 3: Cross multiply
    212,836,879.60x = 319,302,558.60 × 97,793,681.20
  4. Step 4: Simplify right side
    212,836,879.60x = 31,225,772,622,072,720
  5. Step 5: Solve for x
    x = 31,225,772,622,072,720/212,836,879.60
  6. Step 6: Final answer
    x = 146,712,227.13

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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.