Home / 115,991,811.42-160,064,396.91-63,777,740.46

Finding the Fourth Proportional to 115,991,811.42, 160,064,396.91 and 63,777,740.46

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Solution

The fourth proportional to 115,991,811.42, 160,064,396.91 and 63,777,740.46 is: 88,010,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,991,811.42 : 160,064,396.91 = 63,777,740.46 : x
  2. Step 2: Convert to fraction form
    115,991,811.42/160,064,396.91 = 63,777,740.46/x
  3. Step 3: Cross multiply
    115,991,811.42x = 160,064,396.91 × 63,777,740.46
  4. Step 4: Simplify right side
    115,991,811.42x = 10,208,545,563,012,406
  5. Step 5: Solve for x
    x = 10,208,545,563,012,406/115,991,811.42
  6. Step 6: Final answer
    x = 88,010,915.93

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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.