Home / 66,443,340.30-99,665,010.45-65,323,596.30

Finding the Fourth Proportional to 66,443,340.30, 99,665,010.45 and 65,323,596.30

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Solution

The fourth proportional to 66,443,340.30, 99,665,010.45 and 65,323,596.30 is: 97,985,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,340.30 : 99,665,010.45 = 65,323,596.30 : x
  2. Step 2: Convert to fraction form
    66,443,340.30/99,665,010.45 = 65,323,596.30/x
  3. Step 3: Cross multiply
    66,443,340.30x = 99,665,010.45 × 65,323,596.30
  4. Step 4: Simplify right side
    66,443,340.30x = 6,510,476,907,871,081
  5. Step 5: Solve for x
    x = 6,510,476,907,871,081/66,443,340.30
  6. Step 6: Final answer
    x = 97,985,394.45

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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.