Home / 157,744,368.60-236,616,552.90-72,809,712.60

Finding the Fourth Proportional to 157,744,368.60, 236,616,552.90 and 72,809,712.60

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Solution

The fourth proportional to 157,744,368.60, 236,616,552.90 and 72,809,712.60 is: 109,214,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744,368.60 : 236,616,552.90 = 72,809,712.60 : x
  2. Step 2: Convert to fraction form
    157,744,368.60/236,616,552.90 = 72,809,712.60/x
  3. Step 3: Cross multiply
    157,744,368.60x = 236,616,552.90 × 72,809,712.60
  4. Step 4: Simplify right side
    157,744,368.60x = 17,227,983,213,051,696
  5. Step 5: Solve for x
    x = 17,227,983,213,051,696/157,744,368.60
  6. Step 6: Final answer
    x = 109,214,568.90

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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.