Home / 172,416,085.60-258,624,128.40-153,709,362.40

Finding the Fourth Proportional to 172,416,085.60, 258,624,128.40 and 153,709,362.40

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Solution

The fourth proportional to 172,416,085.60, 258,624,128.40 and 153,709,362.40 is: 230,564,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,416,085.60 : 258,624,128.40 = 153,709,362.40 : x
  2. Step 2: Convert to fraction form
    172,416,085.60/258,624,128.40 = 153,709,362.40/x
  3. Step 3: Cross multiply
    172,416,085.60x = 258,624,128.40 × 153,709,362.40
  4. Step 4: Simplify right side
    172,416,085.60x = 39,752,949,877,619,736
  5. Step 5: Solve for x
    x = 39,752,949,877,619,736/172,416,085.60
  6. Step 6: Final answer
    x = 230,564,043.60

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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.