Home / 151,716,582.81-209,368,877.90-82,101,966.03

Finding the Fourth Proportional to 151,716,582.81, 209,368,877.90 and 82,101,966.03

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Solution

The fourth proportional to 151,716,582.81, 209,368,877.90 and 82,101,966.03 is: 113,300,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,716,582.81 : 209,368,877.90 = 82,101,966.03 : x
  2. Step 2: Convert to fraction form
    151,716,582.81/209,368,877.90 = 82,101,966.03/x
  3. Step 3: Cross multiply
    151,716,582.81x = 209,368,877.90 × 82,101,966.03
  4. Step 4: Simplify right side
    151,716,582.81x = 17,189,596,500,674,510
  5. Step 5: Solve for x
    x = 17,189,596,500,674,510/151,716,582.81
  6. Step 6: Final answer
    x = 113,300,709.67

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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.