Home / 111,318,957.12-166,929,485.76-45,695,038.08

Finding the Fourth Proportional to 111,318,957.12, 166,929,485.76 and 45,695,038.08

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Solution

The fourth proportional to 111,318,957.12, 166,929,485.76 and 45,695,038.08 is: 68,522,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,318,957.12 : 166,929,485.76 = 45,695,038.08 : x
  2. Step 2: Convert to fraction form
    111,318,957.12/166,929,485.76 = 45,695,038.08/x
  3. Step 3: Cross multiply
    111,318,957.12x = 166,929,485.76 × 45,695,038.08
  4. Step 4: Simplify right side
    111,318,957.12x = 7,627,849,208,478,017
  5. Step 5: Solve for x
    x = 7,627,849,208,478,017/111,318,957.12
  6. Step 6: Final answer
    x = 68,522,463.79

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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.