Home / 163,341,944.70-245,012,917.05-148,225,400.70

Finding the Fourth Proportional to 163,341,944.70, 245,012,917.05 and 148,225,400.70

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Solution

The fourth proportional to 163,341,944.70, 245,012,917.05 and 148,225,400.70 is: 222,338,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341,944.70 : 245,012,917.05 = 148,225,400.70 : x
  2. Step 2: Convert to fraction form
    163,341,944.70/245,012,917.05 = 148,225,400.70/x
  3. Step 3: Cross multiply
    163,341,944.70x = 245,012,917.05 × 148,225,400.70
  4. Step 4: Simplify right side
    163,341,944.70x = 36,317,137,806,412,112
  5. Step 5: Solve for x
    x = 36,317,137,806,412,112/163,341,944.70
  6. Step 6: Final answer
    x = 222,338,101.05

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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.