Home / 89,526,933.60-134,290,400.40-66,852,117.60

Finding the Fourth Proportional to 89,526,933.60, 134,290,400.40 and 66,852,117.60

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Solution

The fourth proportional to 89,526,933.60, 134,290,400.40 and 66,852,117.60 is: 100,278,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,526,933.60 : 134,290,400.40 = 66,852,117.60 : x
  2. Step 2: Convert to fraction form
    89,526,933.60/134,290,400.40 = 66,852,117.60/x
  3. Step 3: Cross multiply
    89,526,933.60x = 134,290,400.40 × 66,852,117.60
  4. Step 4: Simplify right side
    89,526,933.60x = 8,977,597,640,091,888
  5. Step 5: Solve for x
    x = 8,977,597,640,091,888/89,526,933.60
  6. Step 6: Final answer
    x = 100,278,176.40

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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.