Home / 47,949,684.48-66,148,125.12-31,425,412.32

Finding the Fourth Proportional to 47,949,684.48, 66,148,125.12 and 31,425,412.32

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Solution

The fourth proportional to 47,949,684.48, 66,148,125.12 and 31,425,412.32 is: 43,352,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949,684.48 : 66,148,125.12 = 31,425,412.32 : x
  2. Step 2: Convert to fraction form
    47,949,684.48/66,148,125.12 = 31,425,412.32/x
  3. Step 3: Cross multiply
    47,949,684.48x = 66,148,125.12 × 31,425,412.32
  4. Step 4: Simplify right side
    47,949,684.48x = 2,078,732,106,090,949.50
  5. Step 5: Solve for x
    x = 2,078,732,106,090,949.50/47,949,684.48
  6. Step 6: Final answer
    x = 43,352,362.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.