Home / 66,433,534.80-99,650,302.20-55,683,992.40

Finding the Fourth Proportional to 66,433,534.80, 99,650,302.20 and 55,683,992.40

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Solution

The fourth proportional to 66,433,534.80, 99,650,302.20 and 55,683,992.40 is: 83,525,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,534.80 : 99,650,302.20 = 55,683,992.40 : x
  2. Step 2: Convert to fraction form
    66,433,534.80/99,650,302.20 = 55,683,992.40/x
  3. Step 3: Cross multiply
    66,433,534.80x = 99,650,302.20 × 55,683,992.40
  4. Step 4: Simplify right side
    66,433,534.80x = 5,548,926,670,362,503
  5. Step 5: Solve for x
    x = 5,548,926,670,362,503/66,433,534.80
  6. Step 6: Final answer
    x = 83,525,988.60

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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.