Home / 88,573,685.70-132,860,528.55-72,417,879.30

Finding the Fourth Proportional to 88,573,685.70, 132,860,528.55 and 72,417,879.30

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Solution

The fourth proportional to 88,573,685.70, 132,860,528.55 and 72,417,879.30 is: 108,626,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,685.70 : 132,860,528.55 = 72,417,879.30 : x
  2. Step 2: Convert to fraction form
    88,573,685.70/132,860,528.55 = 72,417,879.30/x
  3. Step 3: Cross multiply
    88,573,685.70x = 132,860,528.55 × 72,417,879.30
  4. Step 4: Simplify right side
    88,573,685.70x = 9,621,477,720,268,104
  5. Step 5: Solve for x
    x = 9,621,477,720,268,104/88,573,685.70
  6. Step 6: Final answer
    x = 108,626,818.95

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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.