Home / 66,880,385.10-100,320,577.65-40,006,529.10

Finding the Fourth Proportional to 66,880,385.10, 100,320,577.65 and 40,006,529.10

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Solution

The fourth proportional to 66,880,385.10, 100,320,577.65 and 40,006,529.10 is: 60,009,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880,385.10 : 100,320,577.65 = 40,006,529.10 : x
  2. Step 2: Convert to fraction form
    66,880,385.10/100,320,577.65 = 40,006,529.10/x
  3. Step 3: Cross multiply
    66,880,385.10x = 100,320,577.65 × 40,006,529.10
  4. Step 4: Simplify right side
    66,880,385.10x = 4,013,478,109,083,535
  5. Step 5: Solve for x
    x = 4,013,478,109,083,535/66,880,385.10
  6. Step 6: Final answer
    x = 60,009,793.65

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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.