Home / 107,285,339.60-160,928,009.40-77,276,200.40

Finding the Fourth Proportional to 107,285,339.60, 160,928,009.40 and 77,276,200.40

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Solution

The fourth proportional to 107,285,339.60, 160,928,009.40 and 77,276,200.40 is: 115,914,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,285,339.60 : 160,928,009.40 = 77,276,200.40 : x
  2. Step 2: Convert to fraction form
    107,285,339.60/160,928,009.40 = 77,276,200.40/x
  3. Step 3: Cross multiply
    107,285,339.60x = 160,928,009.40 × 77,276,200.40
  4. Step 4: Simplify right side
    107,285,339.60x = 12,435,905,104,367,486
  5. Step 5: Solve for x
    x = 12,435,905,104,367,486/107,285,339.60
  6. Step 6: Final answer
    x = 115,914,300.60

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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.