Home / 72,577,999.70-108,866,999.55-67,035,266.90

Finding the Fourth Proportional to 72,577,999.70, 108,866,999.55 and 67,035,266.90

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Solution

The fourth proportional to 72,577,999.70, 108,866,999.55 and 67,035,266.90 is: 100,552,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,999.70 : 108,866,999.55 = 67,035,266.90 : x
  2. Step 2: Convert to fraction form
    72,577,999.70/108,866,999.55 = 67,035,266.90/x
  3. Step 3: Cross multiply
    72,577,999.70x = 108,866,999.55 × 67,035,266.90
  4. Step 4: Simplify right side
    72,577,999.70x = 7,297,928,371,436,430
  5. Step 5: Solve for x
    x = 7,297,928,371,436,430/72,577,999.70
  6. Step 6: Final answer
    x = 100,552,900.35

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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.