Home / 132,389,212.60-198,583,818.90-91,574,543.80

Finding the Fourth Proportional to 132,389,212.60, 198,583,818.90 and 91,574,543.80

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Solution

The fourth proportional to 132,389,212.60, 198,583,818.90 and 91,574,543.80 is: 137,361,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389,212.60 : 198,583,818.90 = 91,574,543.80 : x
  2. Step 2: Convert to fraction form
    132,389,212.60/198,583,818.90 = 91,574,543.80/x
  3. Step 3: Cross multiply
    132,389,212.60x = 198,583,818.90 × 91,574,543.80
  4. Step 4: Simplify right side
    132,389,212.60x = 18,185,222,621,829,316
  5. Step 5: Solve for x
    x = 18,185,222,621,829,316/132,389,212.60
  6. Step 6: Final answer
    x = 137,361,815.70

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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.