Home / 154,653,477.60-231,974,967.60-39,639,147.60

Finding the Fourth Proportional to 154,653,477.60, 231,974,967.60 and 39,639,147.60

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Solution

The fourth proportional to 154,653,477.60, 231,974,967.60 and 39,639,147.60 is: 59,457,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653,477.60 : 231,974,967.60 = 39,639,147.60 : x
  2. Step 2: Convert to fraction form
    154,653,477.60/231,974,967.60 = 39,639,147.60/x
  3. Step 3: Cross multiply
    154,653,477.60x = 231,974,967.60 × 39,639,147.60
  4. Step 4: Simplify right side
    154,653,477.60x = 9,195,289,980,201,618
  5. Step 5: Solve for x
    x = 9,195,289,980,201,618/154,653,477.60
  6. Step 6: Final answer
    x = 59,457,376.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.