Home / 76,871,566.46-105,986,534.36-64,159,525.38

Finding the Fourth Proportional to 76,871,566.46, 105,986,534.36 and 64,159,525.38

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Solution

The fourth proportional to 76,871,566.46, 105,986,534.36 and 64,159,525.38 is: 88,459,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,871,566.46 : 105,986,534.36 = 64,159,525.38 : x
  2. Step 2: Convert to fraction form
    76,871,566.46/105,986,534.36 = 64,159,525.38/x
  3. Step 3: Cross multiply
    76,871,566.46x = 105,986,534.36 × 64,159,525.38
  4. Step 4: Simplify right side
    76,871,566.46x = 6,800,045,741,208,662
  5. Step 5: Solve for x
    x = 6,800,045,741,208,662/76,871,566.46
  6. Step 6: Final answer
    x = 88,459,830.52

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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.