Home / 151,910,429.76-209,756,541.60-140,303,350.08

Finding the Fourth Proportional to 151,910,429.76, 209,756,541.60 and 140,303,350.08

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Solution

The fourth proportional to 151,910,429.76, 209,756,541.60 and 140,303,350.08 is: 193,729,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,910,429.76 : 209,756,541.60 = 140,303,350.08 : x
  2. Step 2: Convert to fraction form
    151,910,429.76/209,756,541.60 = 140,303,350.08/x
  3. Step 3: Cross multiply
    151,910,429.76x = 209,756,541.60 × 140,303,350.08
  4. Step 4: Simplify right side
    151,910,429.76x = 29,429,545,487,674,884
  5. Step 5: Solve for x
    x = 29,429,545,487,674,884/151,910,429.76
  6. Step 6: Final answer
    x = 193,729,591.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.