Home / 88,573,619.70-132,860,429.55-66,571,962.30

Finding the Fourth Proportional to 88,573,619.70, 132,860,429.55 and 66,571,962.30

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Solution

The fourth proportional to 88,573,619.70, 132,860,429.55 and 66,571,962.30 is: 99,857,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,619.70 : 132,860,429.55 = 66,571,962.30 : x
  2. Step 2: Convert to fraction form
    88,573,619.70/132,860,429.55 = 66,571,962.30/x
  3. Step 3: Cross multiply
    88,573,619.70x = 132,860,429.55 × 66,571,962.30
  4. Step 4: Simplify right side
    88,573,619.70x = 8,844,779,507,164,405
  5. Step 5: Solve for x
    x = 8,844,779,507,164,405/88,573,619.70
  6. Step 6: Final answer
    x = 99,857,943.45

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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.