Home / 76,871,564.46-105,986,531.60-64,159,523.38

Finding the Fourth Proportional to 76,871,564.46, 105,986,531.60 and 64,159,523.38

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Solution

The fourth proportional to 76,871,564.46, 105,986,531.60 and 64,159,523.38 is: 88,459,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871,564.46 : 105,986,531.60 = 64,159,523.38 : x
  2. Step 2: Convert to fraction form
    76,871,564.46/105,986,531.60 = 64,159,523.38/x
  3. Step 3: Cross multiply
    76,871,564.46x = 105,986,531.60 × 64,159,523.38
  4. Step 4: Simplify right side
    76,871,564.46x = 6,800,045,352,207,592
  5. Step 5: Solve for x
    x = 6,800,045,352,207,592/76,871,564.46
  6. Step 6: Final answer
    x = 88,459,827.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.