Home / 66,495,167.70-99,805,737.15-40,985,999.70

Finding the Fourth Proportional to 66,495,167.70, 99,805,737.15 and 40,985,999.70

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Solution

The fourth proportional to 66,495,167.70, 99,805,737.15 and 40,985,999.70 is: 61,517,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495,167.70 : 99,805,737.15 = 40,985,999.70 : x
  2. Step 2: Convert to fraction form
    66,495,167.70/99,805,737.15 = 40,985,999.70/x
  3. Step 3: Cross multiply
    66,495,167.70x = 99,805,737.15 × 40,985,999.70
  4. Step 4: Simplify right side
    66,495,167.70x = 4,090,637,912,888,179.50
  5. Step 5: Solve for x
    x = 4,090,637,912,888,179.50/66,495,167.70
  6. Step 6: Final answer
    x = 61,517,822.34

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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.