Home / 148,709,749.64-205,210,458.26-82,627,988.36

Finding the Fourth Proportional to 148,709,749.64, 205,210,458.26 and 82,627,988.36

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Solution

The fourth proportional to 148,709,749.64, 205,210,458.26 and 82,627,988.36 is: 114,021,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,709,749.64 : 205,210,458.26 = 82,627,988.36 : x
  2. Step 2: Convert to fraction form
    148,709,749.64/205,210,458.26 = 82,627,988.36/x
  3. Step 3: Cross multiply
    148,709,749.64x = 205,210,458.26 × 82,627,988.36
  4. Step 4: Simplify right side
    148,709,749.64x = 16,956,127,355,018,354
  5. Step 5: Solve for x
    x = 16,956,127,355,018,354/148,709,749.64
  6. Step 6: Final answer
    x = 114,021,625.32

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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.