Home / 111,503,139.40-167,254,709.10-82,805,325.40

Finding the Fourth Proportional to 111,503,139.40, 167,254,709.10 and 82,805,325.40

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Solution

The fourth proportional to 111,503,139.40, 167,254,709.10 and 82,805,325.40 is: 124,207,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,503,139.40 : 167,254,709.10 = 82,805,325.40 : x
  2. Step 2: Convert to fraction form
    111,503,139.40/167,254,709.10 = 82,805,325.40/x
  3. Step 3: Cross multiply
    111,503,139.40x = 167,254,709.10 × 82,805,325.40
  4. Step 4: Simplify right side
    111,503,139.40x = 13,849,580,611,707,842
  5. Step 5: Solve for x
    x = 13,849,580,611,707,842/111,503,139.40
  6. Step 6: Final answer
    x = 124,207,988.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.