Home / 212,949,032.40-319,423,548.60-140,247,903.60

Finding the Fourth Proportional to 212,949,032.40, 319,423,548.60 and 140,247,903.60

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Solution

The fourth proportional to 212,949,032.40, 319,423,548.60 and 140,247,903.60 is: 210,371,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,949,032.40 : 319,423,548.60 = 140,247,903.60 : x
  2. Step 2: Convert to fraction form
    212,949,032.40/319,423,548.60 = 140,247,903.60/x
  3. Step 3: Cross multiply
    212,949,032.40x = 319,423,548.60 × 140,247,903.60
  4. Step 4: Simplify right side
    212,949,032.40x = 44,798,483,051,622,720
  5. Step 5: Solve for x
    x = 44,798,483,051,622,720/212,949,032.40
  6. Step 6: Final answer
    x = 210,371,855.40

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1.5x scale

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.