Home / 103,723,909.72-143,147,158.46-59,071,766.32

Finding the Fourth Proportional to 103,723,909.72, 143,147,158.46 and 59,071,766.32

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Solution

The fourth proportional to 103,723,909.72, 143,147,158.46 and 59,071,766.32 is: 81,523,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723,909.72 : 143,147,158.46 = 59,071,766.32 : x
  2. Step 2: Convert to fraction form
    103,723,909.72/143,147,158.46 = 59,071,766.32/x
  3. Step 3: Cross multiply
    103,723,909.72x = 143,147,158.46 × 59,071,766.32
  4. Step 4: Simplify right side
    103,723,909.72x = 8,455,955,493,921,132
  5. Step 5: Solve for x
    x = 8,455,955,493,921,132/103,723,909.72
  6. Step 6: Final answer
    x = 81,523,686.46

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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.