Home / 145,318,782.20-218,020,163.70-43,085,280.20

Finding the Fourth Proportional to 145,318,782.20, 218,020,163.70 and 43,085,280.20

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Solution

The fourth proportional to 145,318,782.20, 218,020,163.70 and 43,085,280.20 is: 64,640,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,318,782.20 : 218,020,163.70 = 43,085,280.20 : x
  2. Step 2: Convert to fraction form
    145,318,782.20/218,020,163.70 = 43,085,280.20/x
  3. Step 3: Cross multiply
    145,318,782.20x = 218,020,163.70 × 43,085,280.20
  4. Step 4: Simplify right side
    145,318,782.20x = 9,393,459,842,264,368
  5. Step 5: Solve for x
    x = 9,393,459,842,264,368/145,318,782.20
  6. Step 6: Final answer
    x = 64,640,369.95

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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.