Home / 66,030,148.80-99,045,223.20-40,485,551.40

Finding the Fourth Proportional to 66,030,148.80, 99,045,223.20 and 40,485,551.40

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Solution

The fourth proportional to 66,030,148.80, 99,045,223.20 and 40,485,551.40 is: 60,728,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,030,148.80 : 99,045,223.20 = 40,485,551.40 : x
  2. Step 2: Convert to fraction form
    66,030,148.80/99,045,223.20 = 40,485,551.40/x
  3. Step 3: Cross multiply
    66,030,148.80x = 99,045,223.20 × 40,485,551.40
  4. Step 4: Simplify right side
    66,030,148.80x = 4,009,900,474,788,072.50
  5. Step 5: Solve for x
    x = 4,009,900,474,788,072.50/66,030,148.80
  6. Step 6: Final answer
    x = 60,728,327.10

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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.