Home / 151,928,632.47-209,597,311.43-101,709,030.11

Finding the Fourth Proportional to 151,928,632.47, 209,597,311.43 and 101,709,030.11

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Solution

The fourth proportional to 151,928,632.47, 209,597,311.43 and 101,709,030.11 is: 140,315,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,928,632.47 : 209,597,311.43 = 101,709,030.11 : x
  2. Step 2: Convert to fraction form
    151,928,632.47/209,597,311.43 = 101,709,030.11/x
  3. Step 3: Cross multiply
    151,928,632.47x = 209,597,311.43 × 101,709,030.11
  4. Step 4: Simplify right side
    151,928,632.47x = 21,317,939,259,486,364
  5. Step 5: Solve for x
    x = 21,317,939,259,486,364/151,928,632.47
  6. Step 6: Final answer
    x = 140,315,481.77

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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.