Home / 98,889,886.80-148,397,815.80-57,949,246.80

Finding the Fourth Proportional to 98,889,886.80, 148,397,815.80 and 57,949,246.80

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Solution

The fourth proportional to 98,889,886.80, 148,397,815.80 and 57,949,246.80 is: 86,960,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889,886.80 : 148,397,815.80 = 57,949,246.80 : x
  2. Step 2: Convert to fraction form
    98,889,886.80/148,397,815.80 = 57,949,246.80/x
  3. Step 3: Cross multiply
    98,889,886.80x = 148,397,815.80 × 57,949,246.80
  4. Step 4: Simplify right side
    98,889,886.80x = 8,599,541,652,375,140
  5. Step 5: Solve for x
    x = 8,599,541,652,375,140/98,889,886.80
  6. Step 6: Final answer
    x = 86,960,779.62

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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.