Home / 66,433,562.80-99,650,344.20-55,684,020.40

Finding the Fourth Proportional to 66,433,562.80, 99,650,344.20 and 55,684,020.40

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Solution

The fourth proportional to 66,433,562.80, 99,650,344.20 and 55,684,020.40 is: 83,526,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,562.80 : 99,650,344.20 = 55,684,020.40 : x
  2. Step 2: Convert to fraction form
    66,433,562.80/99,650,344.20 = 55,684,020.40/x
  3. Step 3: Cross multiply
    66,433,562.80x = 99,650,344.20 × 55,684,020.40
  4. Step 4: Simplify right side
    66,433,562.80x = 5,548,931,799,299,822
  5. Step 5: Solve for x
    x = 5,548,931,799,299,822/66,433,562.80
  6. Step 6: Final answer
    x = 83,526,030.60

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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.