Home / 148,709,746.32-205,210,453.64-82,627,985.04

Finding the Fourth Proportional to 148,709,746.32, 205,210,453.64 and 82,627,985.04

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Solution

The fourth proportional to 148,709,746.32, 205,210,453.64 and 82,627,985.04 is: 114,021,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,709,746.32 : 205,210,453.64 = 82,627,985.04 : x
  2. Step 2: Convert to fraction form
    148,709,746.32/205,210,453.64 = 82,627,985.04/x
  3. Step 3: Cross multiply
    148,709,746.32x = 205,210,453.64 × 82,627,985.04
  4. Step 4: Simplify right side
    148,709,746.32x = 16,956,126,293,417,534
  5. Step 5: Solve for x
    x = 16,956,126,293,417,534/148,709,746.32
  6. Step 6: Final answer
    x = 114,021,620.73

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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.