Home / 212,836,903.60-319,302,594.60-97,793,705.20

Finding the Fourth Proportional to 212,836,903.60, 319,302,594.60 and 97,793,705.20

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Solution

The fourth proportional to 212,836,903.60, 319,302,594.60 and 97,793,705.20 is: 146,712,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,836,903.60 : 319,302,594.60 = 97,793,705.20 : x
  2. Step 2: Convert to fraction form
    212,836,903.60/319,302,594.60 = 97,793,705.20/x
  3. Step 3: Cross multiply
    212,836,903.60x = 319,302,594.60 × 97,793,705.20
  4. Step 4: Simplify right side
    212,836,903.60x = 31,225,783,805,907,516
  5. Step 5: Solve for x
    x = 31,225,783,805,907,516/212,836,903.60
  6. Step 6: Final answer
    x = 146,712,263.14

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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.