Home / 98,611,699.32-136,088,150.81-54,557,980.67

Finding the Fourth Proportional to 98,611,699.32, 136,088,150.81 and 54,557,980.67

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Solution

The fourth proportional to 98,611,699.32, 136,088,150.81 and 54,557,980.67 is: 75,292,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,611,699.32 : 136,088,150.81 = 54,557,980.67 : x
  2. Step 2: Convert to fraction form
    98,611,699.32/136,088,150.81 = 54,557,980.67/x
  3. Step 3: Cross multiply
    98,611,699.32x = 136,088,150.81 × 54,557,980.67
  4. Step 4: Simplify right side
    98,611,699.32x = 7,424,694,701,375,456
  5. Step 5: Solve for x
    x = 7,424,694,701,375,456/98,611,699.32
  6. Step 6: Final answer
    x = 75,292,229.55

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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.