Home / 147,531,346.15-203,611,110.98-83,967,140.85

Finding the Fourth Proportional to 147,531,346.15, 203,611,110.98 and 83,967,140.85

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Solution

The fourth proportional to 147,531,346.15, 203,611,110.98 and 83,967,140.85 is: 115,884,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,346.15 : 203,611,110.98 = 83,967,140.85 : x
  2. Step 2: Convert to fraction form
    147,531,346.15/203,611,110.98 = 83,967,140.85/x
  3. Step 3: Cross multiply
    147,531,346.15x = 203,611,110.98 × 83,967,140.85
  4. Step 4: Simplify right side
    147,531,346.15x = 17,096,642,834,492,558
  5. Step 5: Solve for x
    x = 17,096,642,834,492,558/147,531,346.15
  6. Step 6: Final answer
    x = 115,884,815.54

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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.