Home / 66,426,858.20-99,640,287.30-48,287,005.40

Finding the Fourth Proportional to 66,426,858.20, 99,640,287.30 and 48,287,005.40

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Solution

The fourth proportional to 66,426,858.20, 99,640,287.30 and 48,287,005.40 is: 72,430,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,858.20 : 99,640,287.30 = 48,287,005.40 : x
  2. Step 2: Convert to fraction form
    66,426,858.20/99,640,287.30 = 48,287,005.40/x
  3. Step 3: Cross multiply
    66,426,858.20x = 99,640,287.30 × 48,287,005.40
  4. Step 4: Simplify right side
    66,426,858.20x = 4,811,331,090,912,651
  5. Step 5: Solve for x
    x = 4,811,331,090,912,651/66,426,858.20
  6. Step 6: Final answer
    x = 72,430,508.10

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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.