Home / 74,860,123.80-112,290,185.70-66,073,632.60

Finding the Fourth Proportional to 74,860,123.80, 112,290,185.70 and 66,073,632.60

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Solution

The fourth proportional to 74,860,123.80, 112,290,185.70 and 66,073,632.60 is: 99,110,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860,123.80 : 112,290,185.70 = 66,073,632.60 : x
  2. Step 2: Convert to fraction form
    74,860,123.80/112,290,185.70 = 66,073,632.60/x
  3. Step 3: Cross multiply
    74,860,123.80x = 112,290,185.70 × 66,073,632.60
  4. Step 4: Simplify right side
    74,860,123.80x = 7,419,420,474,527,574
  5. Step 5: Solve for x
    x = 7,419,420,474,527,574/74,860,123.80
  6. Step 6: Final answer
    x = 99,110,448.90

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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.