Home / 151,716,488.76-209,368,747.64-82,101,871.53

Finding the Fourth Proportional to 151,716,488.76, 209,368,747.64 and 82,101,871.53

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Solution

The fourth proportional to 151,716,488.76, 209,368,747.64 and 82,101,871.53 is: 113,300,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,716,488.76 : 209,368,747.64 = 82,101,871.53 : x
  2. Step 2: Convert to fraction form
    151,716,488.76/209,368,747.64 = 82,101,871.53/x
  3. Step 3: Cross multiply
    151,716,488.76x = 209,368,747.64 × 82,101,871.53
  4. Step 4: Simplify right side
    151,716,488.76x = 17,189,566,021,341,526
  5. Step 5: Solve for x
    x = 17,189,566,021,341,526/151,716,488.76
  6. Step 6: Final answer
    x = 113,300,579.01

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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.