Home / 160,565,777.64-221,563,001.52-89,036,860.32

Finding the Fourth Proportional to 160,565,777.64, 221,563,001.52 and 89,036,860.32

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Solution

The fourth proportional to 160,565,777.64, 221,563,001.52 and 89,036,860.32 is: 122,861,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,565,777.64 : 221,563,001.52 = 89,036,860.32 : x
  2. Step 2: Convert to fraction form
    160,565,777.64/221,563,001.52 = 89,036,860.32/x
  3. Step 3: Cross multiply
    160,565,777.64x = 221,563,001.52 × 89,036,860.32
  4. Step 4: Simplify right side
    160,565,777.64x = 19,727,274,018,416,188
  5. Step 5: Solve for x
    x = 19,727,274,018,416,188/160,565,777.64
  6. Step 6: Final answer
    x = 122,861,012.53

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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.